Home / 421,529.04-581,702.76-230,538.24

Finding the Fourth Proportional to 421,529.04, 581,702.76 and 230,538.24

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Solution

The fourth proportional to 421,529.04, 581,702.76 and 230,538.24 is: 318,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,529.04 : 581,702.76 = 230,538.24 : x
  2. Step 2: Convert to fraction form
    421,529.04/581,702.76 = 230,538.24/x
  3. Step 3: Cross multiply
    421,529.04x = 581,702.76 × 230,538.24
  4. Step 4: Simplify right side
    421,529.04x = 134,104,730,493.54
  5. Step 5: Solve for x
    x = 134,104,730,493.54/421,529.04
  6. Step 6: Final answer
    x = 318,138.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.