Home / 220,459.47-304,232.79-122,341.72

Finding the Fourth Proportional to 220,459.47, 304,232.79 and 122,341.72

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Solution

The fourth proportional to 220,459.47, 304,232.79 and 122,341.72 is: 168,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,459.47 : 304,232.79 = 122,341.72 : x
  2. Step 2: Convert to fraction form
    220,459.47/304,232.79 = 122,341.72/x
  3. Step 3: Cross multiply
    220,459.47x = 304,232.79 × 122,341.72
  4. Step 4: Simplify right side
    220,459.47x = 37,220,362,809.00
  5. Step 5: Solve for x
    x = 37,220,362,809.00/220,459.47
  6. Step 6: Final answer
    x = 168,830.86

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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.