Home / 288,818.92-432,638.70-170,131.24

Finding the Fourth Proportional to 288,818.92, 432,638.70 and 170,131.24

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Solution

The fourth proportional to 288,818.92, 432,638.70 and 170,131.24 is: 254,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,818.92 : 432,638.70 = 170,131.24 : x
  2. Step 2: Convert to fraction form
    288,818.92/432,638.70 = 170,131.24/x
  3. Step 3: Cross multiply
    288,818.92x = 432,638.70 × 170,131.24
  4. Step 4: Simplify right side
    288,818.92x = 73,605,358,502.99
  5. Step 5: Solve for x
    x = 73,605,358,502.99/288,818.92
  6. Step 6: Final answer
    x = 254,849.50

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1.5x scale

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.