Home / 348,475.20-521,935.20-286,267.20

Finding the Fourth Proportional to 348,475.20, 521,935.20 and 286,267.20

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Solution

The fourth proportional to 348,475.20, 521,935.20 and 286,267.20 is: 428,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,475.20 : 521,935.20 = 286,267.20 : x
  2. Step 2: Convert to fraction form
    348,475.20/521,935.20 = 286,267.20/x
  3. Step 3: Cross multiply
    348,475.20x = 521,935.20 × 286,267.20
  4. Step 4: Simplify right side
    348,475.20x = 149,412,928,285.44
  5. Step 5: Solve for x
    x = 149,412,928,285.44/348,475.20
  6. Step 6: Final answer
    x = 428,762.01

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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.