Home / 228,077.40-342,116.10-153,427.80

Finding the Fourth Proportional to 228,077.40, 342,116.10 and 153,427.80

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Solution

The fourth proportional to 228,077.40, 342,116.10 and 153,427.80 is: 230,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,077.40 : 342,116.10 = 153,427.80 : x
  2. Step 2: Convert to fraction form
    228,077.40/342,116.10 = 153,427.80/x
  3. Step 3: Cross multiply
    228,077.40x = 342,116.10 × 153,427.80
  4. Step 4: Simplify right side
    228,077.40x = 52,490,120,567.58
  5. Step 5: Solve for x
    x = 52,490,120,567.58/228,077.40
  6. Step 6: Final answer
    x = 230,141.70

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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.