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Finding the Fourth Proportional to 608,008.77, 912,012.84 and 158,725.76

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Solution

The fourth proportional to 608,008.77, 912,012.84 and 158,725.76 is: 238,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,008.77 : 912,012.84 = 158,725.76 : x
  2. Step 2: Convert to fraction form
    608,008.77/912,012.84 = 158,725.76/x
  3. Step 3: Cross multiply
    608,008.77x = 912,012.84 × 158,725.76
  4. Step 4: Simplify right side
    608,008.77x = 144,759,926,598.69
  5. Step 5: Solve for x
    x = 144,759,926,598.69/608,008.77
  6. Step 6: Final answer
    x = 238,088.55

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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.