Home / 217,279.86-299,951.10-144,803.40

Finding the Fourth Proportional to 217,279.86, 299,951.10 and 144,803.40

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Solution

The fourth proportional to 217,279.86, 299,951.10 and 144,803.40 is: 199,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,279.86 : 299,951.10 = 144,803.40 : x
  2. Step 2: Convert to fraction form
    217,279.86/299,951.10 = 144,803.40/x
  3. Step 3: Cross multiply
    217,279.86x = 299,951.10 × 144,803.40
  4. Step 4: Simplify right side
    217,279.86x = 43,433,939,113.74
  5. Step 5: Solve for x
    x = 43,433,939,113.74/217,279.86
  6. Step 6: Final answer
    x = 199,898.60

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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.