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Finding the Fourth Proportional to 314,727, 434,323.32 and 171,487.06

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Solution

The fourth proportional to 314,727, 434,323.32 and 171,487.06 is: 236,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,727 : 434,323.32 = 171,487.06 : x
  2. Step 2: Convert to fraction form
    314,727/434,323.32 = 171,487.06/x
  3. Step 3: Cross multiply
    314,727x = 434,323.32 × 171,487.06
  4. Step 4: Simplify right side
    314,727x = 74,480,829,236.24
  5. Step 5: Solve for x
    x = 74,480,829,236.24/314,727
  6. Step 6: Final answer
    x = 236,652.18

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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.