Home / 306,037.08-457,646.34-291,107.16

Finding the Fourth Proportional to 306,037.08, 457,646.34 and 291,107.16

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Solution

The fourth proportional to 306,037.08, 457,646.34 and 291,107.16 is: 435,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,037.08 : 457,646.34 = 291,107.16 : x
  2. Step 2: Convert to fraction form
    306,037.08/457,646.34 = 291,107.16/x
  3. Step 3: Cross multiply
    306,037.08x = 457,646.34 × 291,107.16
  4. Step 4: Simplify right side
    306,037.08x = 133,224,126,321.79
  5. Step 5: Solve for x
    x = 133,224,126,321.79/306,037.08
  6. Step 6: Final answer
    x = 435,320.21

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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.