Home / 346,626.12-478,321.56-201,419.04

Finding the Fourth Proportional to 346,626.12, 478,321.56 and 201,419.04

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Solution

The fourth proportional to 346,626.12, 478,321.56 and 201,419.04 is: 277,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,626.12 : 478,321.56 = 201,419.04 : x
  2. Step 2: Convert to fraction form
    346,626.12/478,321.56 = 201,419.04/x
  3. Step 3: Cross multiply
    346,626.12x = 478,321.56 × 201,419.04
  4. Step 4: Simplify right side
    346,626.12x = 96,343,069,426.50
  5. Step 5: Solve for x
    x = 96,343,069,426.50/346,626.12
  6. Step 6: Final answer
    x = 277,945.21

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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.