Home / 345,529.73-518,368.41-120,897.50

Finding the Fourth Proportional to 345,529.73, 518,368.41 and 120,897.50

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Solution

The fourth proportional to 345,529.73, 518,368.41 and 120,897.50 is: 181,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,529.73 : 518,368.41 = 120,897.50 : x
  2. Step 2: Convert to fraction form
    345,529.73/518,368.41 = 120,897.50/x
  3. Step 3: Cross multiply
    345,529.73x = 518,368.41 × 120,897.50
  4. Step 4: Simplify right side
    345,529.73x = 62,669,442,256.13
  5. Step 5: Solve for x
    x = 62,669,442,256.13/345,529.73
  6. Step 6: Final answer
    x = 181,372.07

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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.