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Finding the Fourth Proportional to 284,368.32, 425,980.22 and 134,752.88

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Solution

The fourth proportional to 284,368.32, 425,980.22 and 134,752.88 is: 201,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,368.32 : 425,980.22 = 134,752.88 : x
  2. Step 2: Convert to fraction form
    284,368.32/425,980.22 = 134,752.88/x
  3. Step 3: Cross multiply
    284,368.32x = 425,980.22 × 134,752.88
  4. Step 4: Simplify right side
    284,368.32x = 57,402,061,859.22
  5. Step 5: Solve for x
    x = 57,402,061,859.22/284,368.32
  6. Step 6: Final answer
    x = 201,858.15

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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.