Home / 578,081.80-867,273.90-223,107.40

Finding the Fourth Proportional to 578,081.80, 867,273.90 and 223,107.40

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Solution

The fourth proportional to 578,081.80, 867,273.90 and 223,107.40 is: 334,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,081.80 : 867,273.90 = 223,107.40 : x
  2. Step 2: Convert to fraction form
    578,081.80/867,273.90 = 223,107.40/x
  3. Step 3: Cross multiply
    578,081.80x = 867,273.90 × 223,107.40
  4. Step 4: Simplify right side
    578,081.80x = 193,495,224,916.86
  5. Step 5: Solve for x
    x = 193,495,224,916.86/578,081.80
  6. Step 6: Final answer
    x = 334,719.45

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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.