Home / 386,001.02-532,702.67-213,915.36

Finding the Fourth Proportional to 386,001.02, 532,702.67 and 213,915.36

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Solution

The fourth proportional to 386,001.02, 532,702.67 and 213,915.36 is: 295,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,001.02 : 532,702.67 = 213,915.36 : x
  2. Step 2: Convert to fraction form
    386,001.02/532,702.67 = 213,915.36/x
  3. Step 3: Cross multiply
    386,001.02x = 532,702.67 × 213,915.36
  4. Step 4: Simplify right side
    386,001.02x = 113,953,282,356.43
  5. Step 5: Solve for x
    x = 113,953,282,356.43/386,001.02
  6. Step 6: Final answer
    x = 295,214.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.