Home / 370,810.05-556,215.03-104,535.78

Finding the Fourth Proportional to 370,810.05, 556,215.03 and 104,535.78

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Solution

The fourth proportional to 370,810.05, 556,215.03 and 104,535.78 is: 156,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,810.05 : 556,215.03 = 104,535.78 : x
  2. Step 2: Convert to fraction form
    370,810.05/556,215.03 = 104,535.78/x
  3. Step 3: Cross multiply
    370,810.05x = 556,215.03 × 104,535.78
  4. Step 4: Simplify right side
    370,810.05x = 58,144,372,008.77
  5. Step 5: Solve for x
    x = 58,144,372,008.77/370,810.05
  6. Step 6: Final answer
    x = 156,803.66

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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.