Home / 369,985.05-554,752.83-145,076.01

Finding the Fourth Proportional to 369,985.05, 554,752.83 and 145,076.01

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Solution

The fourth proportional to 369,985.05, 554,752.83 and 145,076.01 is: 217,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.05 : 554,752.83 = 145,076.01 : x
  2. Step 2: Convert to fraction form
    369,985.05/554,752.83 = 145,076.01/x
  3. Step 3: Cross multiply
    369,985.05x = 554,752.83 × 145,076.01
  4. Step 4: Simplify right side
    369,985.05x = 80,481,327,112.61
  5. Step 5: Solve for x
    x = 80,481,327,112.61/369,985.05
  6. Step 6: Final answer
    x = 217,525.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.