Home / 357,639.32-493,337.01-223,270.04

Finding the Fourth Proportional to 357,639.32, 493,337.01 and 223,270.04

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Solution

The fourth proportional to 357,639.32, 493,337.01 and 223,270.04 is: 307,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,639.32 : 493,337.01 = 223,270.04 : x
  2. Step 2: Convert to fraction form
    357,639.32/493,337.01 = 223,270.04/x
  3. Step 3: Cross multiply
    357,639.32x = 493,337.01 × 223,270.04
  4. Step 4: Simplify right side
    357,639.32x = 110,147,373,956.18
  5. Step 5: Solve for x
    x = 110,147,373,956.18/357,639.32
  6. Step 6: Final answer
    x = 307,984.52

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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.