Home / 345,036.60-517,247.10-134,625.60

Finding the Fourth Proportional to 345,036.60, 517,247.10 and 134,625.60

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Solution

The fourth proportional to 345,036.60, 517,247.10 and 134,625.60 is: 201,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,036.60 : 517,247.10 = 134,625.60 : x
  2. Step 2: Convert to fraction form
    345,036.60/517,247.10 = 134,625.60/x
  3. Step 3: Cross multiply
    345,036.60x = 517,247.10 × 134,625.60
  4. Step 4: Simplify right side
    345,036.60x = 69,634,701,185.76
  5. Step 5: Solve for x
    x = 69,634,701,185.76/345,036.60
  6. Step 6: Final answer
    x = 201,818.30

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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.