Home / 817,160.16-1,225,736.16-209,947.80

Finding the Fourth Proportional to 817,160.16, 1,225,736.16 and 209,947.80

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Solution

The fourth proportional to 817,160.16, 1,225,736.16 and 209,947.80 is: 314,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,160.16 : 1,225,736.16 = 209,947.80 : x
  2. Step 2: Convert to fraction form
    817,160.16/1,225,736.16 = 209,947.80/x
  3. Step 3: Cross multiply
    817,160.16x = 1,225,736.16 × 209,947.80
  4. Step 4: Simplify right side
    817,160.16x = 257,340,610,172.45
  5. Step 5: Solve for x
    x = 257,340,610,172.45/817,160.16
  6. Step 6: Final answer
    x = 314,920.65

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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.