Home / 314,789.24-434,409.18-171,549.20

Finding the Fourth Proportional to 314,789.24, 434,409.18 and 171,549.20

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Solution

The fourth proportional to 314,789.24, 434,409.18 and 171,549.20 is: 236,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,789.24 : 434,409.18 = 171,549.20 : x
  2. Step 2: Convert to fraction form
    314,789.24/434,409.18 = 171,549.20/x
  3. Step 3: Cross multiply
    314,789.24x = 434,409.18 × 171,549.20
  4. Step 4: Simplify right side
    314,789.24x = 74,522,547,301.66
  5. Step 5: Solve for x
    x = 74,522,547,301.66/314,789.24
  6. Step 6: Final answer
    x = 236,737.91

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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.