Home / 340,683.60-510,837.30-158,115.36

Finding the Fourth Proportional to 340,683.60, 510,837.30 and 158,115.36

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Solution

The fourth proportional to 340,683.60, 510,837.30 and 158,115.36 is: 237,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,683.60 : 510,837.30 = 158,115.36 : x
  2. Step 2: Convert to fraction form
    340,683.60/510,837.30 = 158,115.36/x
  3. Step 3: Cross multiply
    340,683.60x = 510,837.30 × 158,115.36
  4. Step 4: Simplify right side
    340,683.60x = 80,771,223,590.93
  5. Step 5: Solve for x
    x = 80,771,223,590.93/340,683.60
  6. Step 6: Final answer
    x = 237,085.74

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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.