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Finding the Fourth Proportional to 440,002.50, 607,203.45 and 238,798.50

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Solution

The fourth proportional to 440,002.50, 607,203.45 and 238,798.50 is: 329,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,002.50 : 607,203.45 = 238,798.50 : x
  2. Step 2: Convert to fraction form
    440,002.50/607,203.45 = 238,798.50/x
  3. Step 3: Cross multiply
    440,002.50x = 607,203.45 × 238,798.50
  4. Step 4: Simplify right side
    440,002.50x = 144,999,273,054.83
  5. Step 5: Solve for x
    x = 144,999,273,054.83/440,002.50
  6. Step 6: Final answer
    x = 329,541.93

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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.