Home / 456,052.98-684,081.09-140,508.30

Finding the Fourth Proportional to 456,052.98, 684,081.09 and 140,508.30

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Solution

The fourth proportional to 456,052.98, 684,081.09 and 140,508.30 is: 210,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,052.98 : 684,081.09 = 140,508.30 : x
  2. Step 2: Convert to fraction form
    456,052.98/684,081.09 = 140,508.30/x
  3. Step 3: Cross multiply
    456,052.98x = 684,081.09 × 140,508.30
  4. Step 4: Simplify right side
    456,052.98x = 96,119,071,018.05
  5. Step 5: Solve for x
    x = 96,119,071,018.05/456,052.98
  6. Step 6: Final answer
    x = 210,762.95

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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.