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Finding the Fourth Proportional to 489,587.97, 734,607.95 and 223,430.07

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Solution

The fourth proportional to 489,587.97, 734,607.95 and 223,430.07 is: 335,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,587.97 : 734,607.95 = 223,430.07 : x
  2. Step 2: Convert to fraction form
    489,587.97/734,607.95 = 223,430.07/x
  3. Step 3: Cross multiply
    489,587.97x = 734,607.95 × 223,430.07
  4. Step 4: Simplify right side
    489,587.97x = 164,133,505,691.06
  5. Step 5: Solve for x
    x = 164,133,505,691.06/489,587.97
  6. Step 6: Final answer
    x = 335,248.24

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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.