Home / 346,514.40-519,823.92-146,835.60

Finding the Fourth Proportional to 346,514.40, 519,823.92 and 146,835.60

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Solution

The fourth proportional to 346,514.40, 519,823.92 and 146,835.60 is: 220,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,514.40 : 519,823.92 = 146,835.60 : x
  2. Step 2: Convert to fraction form
    346,514.40/519,823.92 = 146,835.60/x
  3. Step 3: Cross multiply
    346,514.40x = 519,823.92 × 146,835.60
  4. Step 4: Simplify right side
    346,514.40x = 76,328,657,187.55
  5. Step 5: Solve for x
    x = 76,328,657,187.55/346,514.40
  6. Step 6: Final answer
    x = 220,275.57

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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.