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Finding the Fourth Proportional to 440,008.50, 607,211.76 and 238,804.50

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Solution

The fourth proportional to 440,008.50, 607,211.76 and 238,804.50 is: 329,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,008.50 : 607,211.76 = 238,804.50 : x
  2. Step 2: Convert to fraction form
    440,008.50/607,211.76 = 238,804.50/x
  3. Step 3: Cross multiply
    440,008.50x = 607,211.76 × 238,804.50
  4. Step 4: Simplify right side
    440,008.50x = 145,004,900,740.92
  5. Step 5: Solve for x
    x = 145,004,900,740.92/440,008.50
  6. Step 6: Final answer
    x = 329,550.23

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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.