Home / 341,257.02-471,085.67-220,457.18

Finding the Fourth Proportional to 341,257.02, 471,085.67 and 220,457.18

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Solution

The fourth proportional to 341,257.02, 471,085.67 and 220,457.18 is: 304,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,257.02 : 471,085.67 = 220,457.18 : x
  2. Step 2: Convert to fraction form
    341,257.02/471,085.67 = 220,457.18/x
  3. Step 3: Cross multiply
    341,257.02x = 471,085.67 × 220,457.18
  4. Step 4: Simplify right side
    341,257.02x = 103,854,218,346.61
  5. Step 5: Solve for x
    x = 103,854,218,346.61/341,257.02
  6. Step 6: Final answer
    x = 304,328.45

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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.