Home / 314,945.40-472,482.90-104,734.20

Finding the Fourth Proportional to 314,945.40, 472,482.90 and 104,734.20

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Solution

The fourth proportional to 314,945.40, 472,482.90 and 104,734.20 is: 157,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,945.40 : 472,482.90 = 104,734.20 : x
  2. Step 2: Convert to fraction form
    314,945.40/472,482.90 = 104,734.20/x
  3. Step 3: Cross multiply
    314,945.40x = 472,482.90 × 104,734.20
  4. Step 4: Simplify right side
    314,945.40x = 49,485,118,545.18
  5. Step 5: Solve for x
    x = 49,485,118,545.18/314,945.40
  6. Step 6: Final answer
    x = 157,122.85

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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.