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Finding the Fourth Proportional to 545,413.50, 818,117.96 and 166,333.10

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Solution

The fourth proportional to 545,413.50, 818,117.96 and 166,333.10 is: 249,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,413.50 : 818,117.96 = 166,333.10 : x
  2. Step 2: Convert to fraction form
    545,413.50/818,117.96 = 166,333.10/x
  3. Step 3: Cross multiply
    545,413.50x = 818,117.96 × 166,333.10
  4. Step 4: Simplify right side
    545,413.50x = 136,080,091,530.22
  5. Step 5: Solve for x
    x = 136,080,091,530.22/545,413.50
  6. Step 6: Final answer
    x = 249,498.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.