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Finding the Fourth Proportional to 364,660.84, 546,991.26 and 291,255.40

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Solution

The fourth proportional to 364,660.84, 546,991.26 and 291,255.40 is: 436,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,660.84 : 546,991.26 = 291,255.40 : x
  2. Step 2: Convert to fraction form
    364,660.84/546,991.26 = 291,255.40/x
  3. Step 3: Cross multiply
    364,660.84x = 546,991.26 × 291,255.40
  4. Step 4: Simplify right side
    364,660.84x = 159,314,158,227.80
  5. Step 5: Solve for x
    x = 159,314,158,227.80/364,660.84
  6. Step 6: Final answer
    x = 436,883.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.