Home / 315,338.10-434,971.98-224,723.10

Finding the Fourth Proportional to 315,338.10, 434,971.98 and 224,723.10

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Solution

The fourth proportional to 315,338.10, 434,971.98 and 224,723.10 is: 309,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,338.10 : 434,971.98 = 224,723.10 : x
  2. Step 2: Convert to fraction form
    315,338.10/434,971.98 = 224,723.10/x
  3. Step 3: Cross multiply
    315,338.10x = 434,971.98 × 224,723.10
  4. Step 4: Simplify right side
    315,338.10x = 97,748,251,758.74
  5. Step 5: Solve for x
    x = 97,748,251,758.74/315,338.10
  6. Step 6: Final answer
    x = 309,979.20

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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.