Home / 314,948.80-472,423.20-188,977.60

Finding the Fourth Proportional to 314,948.80, 472,423.20 and 188,977.60

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Solution

The fourth proportional to 314,948.80, 472,423.20 and 188,977.60 is: 283,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,948.80 : 472,423.20 = 188,977.60 : x
  2. Step 2: Convert to fraction form
    314,948.80/472,423.20 = 188,977.60/x
  3. Step 3: Cross multiply
    314,948.80x = 472,423.20 × 188,977.60
  4. Step 4: Simplify right side
    314,948.80x = 89,277,402,520.32
  5. Step 5: Solve for x
    x = 89,277,402,520.32/314,948.80
  6. Step 6: Final answer
    x = 283,466.40

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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.