Home / 423,001.16-634,504.97-142,514.36

Finding the Fourth Proportional to 423,001.16, 634,504.97 and 142,514.36

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Solution

The fourth proportional to 423,001.16, 634,504.97 and 142,514.36 is: 213,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,001.16 : 634,504.97 = 142,514.36 : x
  2. Step 2: Convert to fraction form
    423,001.16/634,504.97 = 142,514.36/x
  3. Step 3: Cross multiply
    423,001.16x = 634,504.97 × 142,514.36
  4. Step 4: Simplify right side
    423,001.16x = 90,426,066,900.13
  5. Step 5: Solve for x
    x = 90,426,066,900.13/423,001.16
  6. Step 6: Final answer
    x = 213,772.62

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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.