Home / 208,343.28-287,493.18-116,445.60

Finding the Fourth Proportional to 208,343.28, 287,493.18 and 116,445.60

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Solution

The fourth proportional to 208,343.28, 287,493.18 and 116,445.60 is: 160,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,343.28 : 287,493.18 = 116,445.60 : x
  2. Step 2: Convert to fraction form
    208,343.28/287,493.18 = 116,445.60/x
  3. Step 3: Cross multiply
    208,343.28x = 287,493.18 × 116,445.60
  4. Step 4: Simplify right side
    208,343.28x = 33,477,315,841.01
  5. Step 5: Solve for x
    x = 33,477,315,841.01/208,343.28
  6. Step 6: Final answer
    x = 160,683.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.