Home / 316,383.03-436,812.35-282,332.97

Finding the Fourth Proportional to 316,383.03, 436,812.35 and 282,332.97

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Solution

The fourth proportional to 316,383.03, 436,812.35 and 282,332.97 is: 389,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,383.03 : 436,812.35 = 282,332.97 : x
  2. Step 2: Convert to fraction form
    316,383.03/436,812.35 = 282,332.97/x
  3. Step 3: Cross multiply
    316,383.03x = 436,812.35 × 282,332.97
  4. Step 4: Simplify right side
    316,383.03x = 123,326,528,108.18
  5. Step 5: Solve for x
    x = 123,326,528,108.18/316,383.03
  6. Step 6: Final answer
    x = 389,801.34

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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.