Home / 353,252.66-487,403.34-224,144.06

Finding the Fourth Proportional to 353,252.66, 487,403.34 and 224,144.06

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Solution

The fourth proportional to 353,252.66, 487,403.34 and 224,144.06 is: 309,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,252.66 : 487,403.34 = 224,144.06 : x
  2. Step 2: Convert to fraction form
    353,252.66/487,403.34 = 224,144.06/x
  3. Step 3: Cross multiply
    353,252.66x = 487,403.34 × 224,144.06
  4. Step 4: Simplify right side
    353,252.66x = 109,248,563,485.16
  5. Step 5: Solve for x
    x = 109,248,563,485.16/353,252.66
  6. Step 6: Final answer
    x = 309,264.66

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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.