Home / 421,502.04-581,664.78-230,514.84

Finding the Fourth Proportional to 421,502.04, 581,664.78 and 230,514.84

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Solution

The fourth proportional to 421,502.04, 581,664.78 and 230,514.84 is: 318,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,502.04 : 581,664.78 = 230,514.84 : x
  2. Step 2: Convert to fraction form
    421,502.04/581,664.78 = 230,514.84/x
  3. Step 3: Cross multiply
    421,502.04x = 581,664.78 × 230,514.84
  4. Step 4: Simplify right side
    421,502.04x = 134,082,363,695.34
  5. Step 5: Solve for x
    x = 134,082,363,695.34/421,502.04
  6. Step 6: Final answer
    x = 318,106.08

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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.