Home / 314,434.10-471,651.15-156,970.10

Finding the Fourth Proportional to 314,434.10, 471,651.15 and 156,970.10

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Solution

The fourth proportional to 314,434.10, 471,651.15 and 156,970.10 is: 235,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,434.10 : 471,651.15 = 156,970.10 : x
  2. Step 2: Convert to fraction form
    314,434.10/471,651.15 = 156,970.10/x
  3. Step 3: Cross multiply
    314,434.10x = 471,651.15 × 156,970.10
  4. Step 4: Simplify right side
    314,434.10x = 74,035,128,180.62
  5. Step 5: Solve for x
    x = 74,035,128,180.62/314,434.10
  6. Step 6: Final answer
    x = 235,455.15

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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.