Home / 456,272.55-684,180.41-140,688.45

Finding the Fourth Proportional to 456,272.55, 684,180.41 and 140,688.45

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Solution

The fourth proportional to 456,272.55, 684,180.41 and 140,688.45 is: 210,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,272.55 : 684,180.41 = 140,688.45 : x
  2. Step 2: Convert to fraction form
    456,272.55/684,180.41 = 140,688.45/x
  3. Step 3: Cross multiply
    456,272.55x = 684,180.41 × 140,688.45
  4. Step 4: Simplify right side
    456,272.55x = 96,256,280,699.82
  5. Step 5: Solve for x
    x = 96,256,280,699.82/456,272.55
  6. Step 6: Final answer
    x = 210,962.24

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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.