Home / 402,848.92-555,935.28-219,089.19

Finding the Fourth Proportional to 402,848.92, 555,935.28 and 219,089.19

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Solution

The fourth proportional to 402,848.92, 555,935.28 and 219,089.19 is: 302,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,848.92 : 555,935.28 = 219,089.19 : x
  2. Step 2: Convert to fraction form
    402,848.92/555,935.28 = 219,089.19/x
  3. Step 3: Cross multiply
    402,848.92x = 555,935.28 × 219,089.19
  4. Step 4: Simplify right side
    402,848.92x = 121,799,410,187.62
  5. Step 5: Solve for x
    x = 121,799,410,187.62/402,848.92
  6. Step 6: Final answer
    x = 302,345.13

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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.