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Finding the Fourth Proportional to 608,162.91, 912,698.78 and 229,457.13

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Solution

The fourth proportional to 608,162.91, 912,698.78 and 229,457.13 is: 344,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,162.91 : 912,698.78 = 229,457.13 : x
  2. Step 2: Convert to fraction form
    608,162.91/912,698.78 = 229,457.13/x
  3. Step 3: Cross multiply
    608,162.91x = 912,698.78 × 229,457.13
  4. Step 4: Simplify right side
    608,162.91x = 209,425,242,613.30
  5. Step 5: Solve for x
    x = 209,425,242,613.30/608,162.91
  6. Step 6: Final answer
    x = 344,357.14

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1.5x scale

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.