Home / 370,503.91-556,499.85-221,036.23

Finding the Fourth Proportional to 370,503.91, 556,499.85 and 221,036.23

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Solution

The fourth proportional to 370,503.91, 556,499.85 and 221,036.23 is: 331,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,503.91 : 556,499.85 = 221,036.23 : x
  2. Step 2: Convert to fraction form
    370,503.91/556,499.85 = 221,036.23/x
  3. Step 3: Cross multiply
    370,503.91x = 556,499.85 × 221,036.23
  4. Step 4: Simplify right side
    370,503.91x = 123,006,628,839.57
  5. Step 5: Solve for x
    x = 123,006,628,839.57/370,503.91
  6. Step 6: Final answer
    x = 331,998.19

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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.