Home / 220,210.74-303,805.35-155,774.70

Finding the Fourth Proportional to 220,210.74, 303,805.35 and 155,774.70

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Solution

The fourth proportional to 220,210.74, 303,805.35 and 155,774.70 is: 214,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,210.74 : 303,805.35 = 155,774.70 : x
  2. Step 2: Convert to fraction form
    220,210.74/303,805.35 = 155,774.70/x
  3. Step 3: Cross multiply
    220,210.74x = 303,805.35 × 155,774.70
  4. Step 4: Simplify right side
    220,210.74x = 47,325,187,254.65
  5. Step 5: Solve for x
    x = 47,325,187,254.65/220,210.74
  6. Step 6: Final answer
    x = 214,908.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.