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Finding the Fourth Proportional to 350,413.96, 525,953.24 and 216,890.32

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Solution

The fourth proportional to 350,413.96, 525,953.24 and 216,890.32 is: 325,541.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,413.96 : 525,953.24 = 216,890.32 : x
  2. Step 2: Convert to fraction form
    350,413.96/525,953.24 = 216,890.32/x
  3. Step 3: Cross multiply
    350,413.96x = 525,953.24 × 216,890.32
  4. Step 4: Simplify right side
    350,413.96x = 114,074,162,814.42
  5. Step 5: Solve for x
    x = 114,074,162,814.42/350,413.96
  6. Step 6: Final answer
    x = 325,541.15

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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.