Home / 385,218.60-577,827.90-175,266.60

Finding the Fourth Proportional to 385,218.60, 577,827.90 and 175,266.60

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Solution

The fourth proportional to 385,218.60, 577,827.90 and 175,266.60 is: 262,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,218.60 : 577,827.90 = 175,266.60 : x
  2. Step 2: Convert to fraction form
    385,218.60/577,827.90 = 175,266.60/x
  3. Step 3: Cross multiply
    385,218.60x = 577,827.90 × 175,266.60
  4. Step 4: Simplify right side
    385,218.60x = 101,273,931,418.14
  5. Step 5: Solve for x
    x = 101,273,931,418.14/385,218.60
  6. Step 6: Final answer
    x = 262,899.90

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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.