Home / 406,397.01-560,821.95-225,108.35

Finding the Fourth Proportional to 406,397.01, 560,821.95 and 225,108.35

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Solution

The fourth proportional to 406,397.01, 560,821.95 and 225,108.35 is: 310,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,397.01 : 560,821.95 = 225,108.35 : x
  2. Step 2: Convert to fraction form
    406,397.01/560,821.95 = 225,108.35/x
  3. Step 3: Cross multiply
    406,397.01x = 560,821.95 × 225,108.35
  4. Step 4: Simplify right side
    406,397.01x = 126,245,703,808.28
  5. Step 5: Solve for x
    x = 126,245,703,808.28/406,397.01
  6. Step 6: Final answer
    x = 310,646.24

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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.