Home / 358,442.47-494,484.51-231,159.07

Finding the Fourth Proportional to 358,442.47, 494,484.51 and 231,159.07

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Solution

The fourth proportional to 358,442.47, 494,484.51 and 231,159.07 is: 318,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,442.47 : 494,484.51 = 231,159.07 : x
  2. Step 2: Convert to fraction form
    358,442.47/494,484.51 = 231,159.07/x
  3. Step 3: Cross multiply
    358,442.47x = 494,484.51 × 231,159.07
  4. Step 4: Simplify right side
    358,442.47x = 114,304,579,461.01
  5. Step 5: Solve for x
    x = 114,304,579,461.01/358,442.47
  6. Step 6: Final answer
    x = 318,892.40

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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.