Home / 402,582.05-555,564.38-230,502.65

Finding the Fourth Proportional to 402,582.05, 555,564.38 and 230,502.65

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Solution

The fourth proportional to 402,582.05, 555,564.38 and 230,502.65 is: 318,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,582.05 : 555,564.38 = 230,502.65 : x
  2. Step 2: Convert to fraction form
    402,582.05/555,564.38 = 230,502.65/x
  3. Step 3: Cross multiply
    402,582.05x = 555,564.38 × 230,502.65
  4. Step 4: Simplify right side
    402,582.05x = 128,059,061,030.32
  5. Step 5: Solve for x
    x = 128,059,061,030.32/402,582.05
  6. Step 6: Final answer
    x = 318,094.32

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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.