Home / 560,022.23-840,036.38-139,298.11

Finding the Fourth Proportional to 560,022.23, 840,036.38 and 139,298.11

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Solution

The fourth proportional to 560,022.23, 840,036.38 and 139,298.11 is: 208,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,022.23 : 840,036.38 = 139,298.11 : x
  2. Step 2: Convert to fraction form
    560,022.23/840,036.38 = 139,298.11/x
  3. Step 3: Cross multiply
    560,022.23x = 840,036.38 × 139,298.11
  4. Step 4: Simplify right side
    560,022.23x = 117,015,480,065.24
  5. Step 5: Solve for x
    x = 117,015,480,065.24/560,022.23
  6. Step 6: Final answer
    x = 208,947.92

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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.