Home / 343,322.20-514,983.30-285,002.20

Finding the Fourth Proportional to 343,322.20, 514,983.30 and 285,002.20

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Solution

The fourth proportional to 343,322.20, 514,983.30 and 285,002.20 is: 427,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,322.20 : 514,983.30 = 285,002.20 : x
  2. Step 2: Convert to fraction form
    343,322.20/514,983.30 = 285,002.20/x
  3. Step 3: Cross multiply
    343,322.20x = 514,983.30 × 285,002.20
  4. Step 4: Simplify right side
    343,322.20x = 146,771,373,463.26
  5. Step 5: Solve for x
    x = 146,771,373,463.26/343,322.20
  6. Step 6: Final answer
    x = 427,503.30

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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.