Home / 421,697.55-581,949.18-230,714.13

Finding the Fourth Proportional to 421,697.55, 581,949.18 and 230,714.13

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Solution

The fourth proportional to 421,697.55, 581,949.18 and 230,714.13 is: 318,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,697.55 : 581,949.18 = 230,714.13 : x
  2. Step 2: Convert to fraction form
    421,697.55/581,949.18 = 230,714.13/x
  3. Step 3: Cross multiply
    421,697.55x = 581,949.18 × 230,714.13
  4. Step 4: Simplify right side
    421,697.55x = 134,263,898,767.91
  5. Step 5: Solve for x
    x = 134,263,898,767.91/421,697.55
  6. Step 6: Final answer
    x = 318,389.09

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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.