Home / 278,450.47-384,262.02-151,126.06

Finding the Fourth Proportional to 278,450.47, 384,262.02 and 151,126.06

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Solution

The fourth proportional to 278,450.47, 384,262.02 and 151,126.06 is: 208,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,450.47 : 384,262.02 = 151,126.06 : x
  2. Step 2: Convert to fraction form
    278,450.47/384,262.02 = 151,126.06/x
  3. Step 3: Cross multiply
    278,450.47x = 384,262.02 × 151,126.06
  4. Step 4: Simplify right side
    278,450.47x = 58,072,004,334.61
  5. Step 5: Solve for x
    x = 58,072,004,334.61/278,450.47
  6. Step 6: Final answer
    x = 208,554.17

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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.