Home / 340,587.02-510,972.75-127,376.58

Finding the Fourth Proportional to 340,587.02, 510,972.75 and 127,376.58

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Solution

The fourth proportional to 340,587.02, 510,972.75 and 127,376.58 is: 191,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,587.02 : 510,972.75 = 127,376.58 : x
  2. Step 2: Convert to fraction form
    340,587.02/510,972.75 = 127,376.58/x
  3. Step 3: Cross multiply
    340,587.02x = 510,972.75 × 127,376.58
  4. Step 4: Simplify right side
    340,587.02x = 65,085,962,926.10
  5. Step 5: Solve for x
    x = 65,085,962,926.10/340,587.02
  6. Step 6: Final answer
    x = 191,099.36

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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.