Home / 402,624.13-555,631.93-218,875.06

Finding the Fourth Proportional to 402,624.13, 555,631.93 and 218,875.06

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Solution

The fourth proportional to 402,624.13, 555,631.93 and 218,875.06 is: 302,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,624.13 : 555,631.93 = 218,875.06 : x
  2. Step 2: Convert to fraction form
    402,624.13/555,631.93 = 218,875.06/x
  3. Step 3: Cross multiply
    402,624.13x = 555,631.93 × 218,875.06
  4. Step 4: Simplify right side
    402,624.13x = 121,613,972,016.67
  5. Step 5: Solve for x
    x = 121,613,972,016.67/402,624.13
  6. Step 6: Final answer
    x = 302,053.36

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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.