Home / 456,254.20-684,328.02-140,683.96

Finding the Fourth Proportional to 456,254.20, 684,328.02 and 140,683.96

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Solution

The fourth proportional to 456,254.20, 684,328.02 and 140,683.96 is: 211,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,254.20 : 684,328.02 = 140,683.96 : x
  2. Step 2: Convert to fraction form
    456,254.20/684,328.02 = 140,683.96/x
  3. Step 3: Cross multiply
    456,254.20x = 684,328.02 × 140,683.96
  4. Step 4: Simplify right side
    456,254.20x = 96,273,975,792.56
  5. Step 5: Solve for x
    x = 96,273,975,792.56/456,254.20
  6. Step 6: Final answer
    x = 211,009.51

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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.