Home / 385,941.81-578,748.67-158,080.33

Finding the Fourth Proportional to 385,941.81, 578,748.67 and 158,080.33

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Solution

The fourth proportional to 385,941.81, 578,748.67 and 158,080.33 is: 237,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,941.81 : 578,748.67 = 158,080.33 : x
  2. Step 2: Convert to fraction form
    385,941.81/578,748.67 = 158,080.33/x
  3. Step 3: Cross multiply
    385,941.81x = 578,748.67 × 158,080.33
  4. Step 4: Simplify right side
    385,941.81x = 91,488,780,740.66
  5. Step 5: Solve for x
    x = 91,488,780,740.66/385,941.81
  6. Step 6: Final answer
    x = 237,053.30

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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.