Home / 384,829.48-531,088.26-215,077.16

Finding the Fourth Proportional to 384,829.48, 531,088.26 and 215,077.16

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Solution

The fourth proportional to 384,829.48, 531,088.26 and 215,077.16 is: 296,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,829.48 : 531,088.26 = 215,077.16 : x
  2. Step 2: Convert to fraction form
    384,829.48/531,088.26 = 215,077.16/x
  3. Step 3: Cross multiply
    384,829.48x = 531,088.26 × 215,077.16
  4. Step 4: Simplify right side
    384,829.48x = 114,224,954,670.14
  5. Step 5: Solve for x
    x = 114,224,954,670.14/384,829.48
  6. Step 6: Final answer
    x = 296,819.66

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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.