Home / 421,312.22-581,369.08-240,013.34

Finding the Fourth Proportional to 421,312.22, 581,369.08 and 240,013.34

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Solution

The fourth proportional to 421,312.22, 581,369.08 and 240,013.34 is: 331,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,312.22 : 581,369.08 = 240,013.34 : x
  2. Step 2: Convert to fraction form
    421,312.22/581,369.08 = 240,013.34/x
  3. Step 3: Cross multiply
    421,312.22x = 581,369.08 × 240,013.34
  4. Step 4: Simplify right side
    421,312.22x = 139,536,335,516.92
  5. Step 5: Solve for x
    x = 139,536,335,516.92/421,312.22
  6. Step 6: Final answer
    x = 331,194.61

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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.