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Finding the Fourth Proportional to 560,515.34, 840,068.48 and 240,288.39

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Solution

The fourth proportional to 560,515.34, 840,068.48 and 240,288.39 is: 360,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,515.34 : 840,068.48 = 240,288.39 : x
  2. Step 2: Convert to fraction form
    560,515.34/840,068.48 = 240,288.39/x
  3. Step 3: Cross multiply
    560,515.34x = 840,068.48 × 240,288.39
  4. Step 4: Simplify right side
    560,515.34x = 201,858,703,149.67
  5. Step 5: Solve for x
    x = 201,858,703,149.67/560,515.34
  6. Step 6: Final answer
    x = 360,130.56

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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.