Home / 352,664.40-529,045.20-127,970.40

Finding the Fourth Proportional to 352,664.40, 529,045.20 and 127,970.40

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Solution

The fourth proportional to 352,664.40, 529,045.20 and 127,970.40 is: 191,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,664.40 : 529,045.20 = 127,970.40 : x
  2. Step 2: Convert to fraction form
    352,664.40/529,045.20 = 127,970.40/x
  3. Step 3: Cross multiply
    352,664.40x = 529,045.20 × 127,970.40
  4. Step 4: Simplify right side
    352,664.40x = 67,702,125,862.08
  5. Step 5: Solve for x
    x = 67,702,125,862.08/352,664.40
  6. Step 6: Final answer
    x = 191,973.24

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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.