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Finding the Fourth Proportional to 318,852.49, 440,036.41 and 175,612.50

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Solution

The fourth proportional to 318,852.49, 440,036.41 and 175,612.50 is: 242,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,852.49 : 440,036.41 = 175,612.50 : x
  2. Step 2: Convert to fraction form
    318,852.49/440,036.41 = 175,612.50/x
  3. Step 3: Cross multiply
    318,852.49x = 440,036.41 × 175,612.50
  4. Step 4: Simplify right side
    318,852.49x = 77,275,894,051.13
  5. Step 5: Solve for x
    x = 77,275,894,051.13/318,852.49
  6. Step 6: Final answer
    x = 242,356.25

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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.