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Finding the Fourth Proportional to 316,898.25, 437,319.60 and 182,762.25

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Solution

The fourth proportional to 316,898.25, 437,319.60 and 182,762.25 is: 252,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,898.25 : 437,319.60 = 182,762.25 : x
  2. Step 2: Convert to fraction form
    316,898.25/437,319.60 = 182,762.25/x
  3. Step 3: Cross multiply
    316,898.25x = 437,319.60 × 182,762.25
  4. Step 4: Simplify right side
    316,898.25x = 79,925,514,065.10
  5. Step 5: Solve for x
    x = 79,925,514,065.10/316,898.25
  6. Step 6: Final answer
    x = 252,211.91

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1.5x scale

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.