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Finding the Fourth Proportional to 304,615.36, 420,413.34 and 175,528.72

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Solution

The fourth proportional to 304,615.36, 420,413.34 and 175,528.72 is: 242,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,615.36 : 420,413.34 = 175,528.72 : x
  2. Step 2: Convert to fraction form
    304,615.36/420,413.34 = 175,528.72/x
  3. Step 3: Cross multiply
    304,615.36x = 420,413.34 × 175,528.72
  4. Step 4: Simplify right side
    304,615.36x = 73,794,615,441.12
  5. Step 5: Solve for x
    x = 73,794,615,441.12/304,615.36
  6. Step 6: Final answer
    x = 242,255.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.