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Finding the Fourth Proportional to 560,300.49, 840,558.70 and 181,315.26

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Solution

The fourth proportional to 560,300.49, 840,558.70 and 181,315.26 is: 272,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,300.49 : 840,558.70 = 181,315.26 : x
  2. Step 2: Convert to fraction form
    560,300.49/840,558.70 = 181,315.26/x
  3. Step 3: Cross multiply
    560,300.49x = 840,558.70 × 181,315.26
  4. Step 4: Simplify right side
    560,300.49x = 152,406,119,462.41
  5. Step 5: Solve for x
    x = 152,406,119,462.41/560,300.49
  6. Step 6: Final answer
    x = 272,007.83

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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.