Home / 314,695.13-434,279.27-171,455.13

Finding the Fourth Proportional to 314,695.13, 434,279.27 and 171,455.13

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Solution

The fourth proportional to 314,695.13, 434,279.27 and 171,455.13 is: 236,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,695.13 : 434,279.27 = 171,455.13 : x
  2. Step 2: Convert to fraction form
    314,695.13/434,279.27 = 171,455.13/x
  3. Step 3: Cross multiply
    314,695.13x = 434,279.27 × 171,455.13
  4. Step 4: Simplify right side
    314,695.13x = 74,459,409,122.79
  5. Step 5: Solve for x
    x = 74,459,409,122.79/314,695.13
  6. Step 6: Final answer
    x = 236,608.08

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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.