Home / 318,848.45-440,030.79-175,608.45

Finding the Fourth Proportional to 318,848.45, 440,030.79 and 175,608.45

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Solution

The fourth proportional to 318,848.45, 440,030.79 and 175,608.45 is: 242,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,848.45 : 440,030.79 = 175,608.45 : x
  2. Step 2: Convert to fraction form
    318,848.45/440,030.79 = 175,608.45/x
  3. Step 3: Cross multiply
    318,848.45x = 440,030.79 × 175,608.45
  4. Step 4: Simplify right side
    318,848.45x = 77,273,124,984.18
  5. Step 5: Solve for x
    x = 77,273,124,984.18/318,848.45
  6. Step 6: Final answer
    x = 242,350.64

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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.