Home / 318,864.25-440,052.63-175,624.24

Finding the Fourth Proportional to 318,864.25, 440,052.63 and 175,624.24

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Solution

The fourth proportional to 318,864.25, 440,052.63 and 175,624.24 is: 242,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,864.25 : 440,052.63 = 175,624.24 : x
  2. Step 2: Convert to fraction form
    318,864.25/440,052.63 = 175,624.24/x
  3. Step 3: Cross multiply
    318,864.25x = 440,052.63 × 175,624.24
  4. Step 4: Simplify right side
    318,864.25x = 77,283,908,703.75
  5. Step 5: Solve for x
    x = 77,283,908,703.75/318,864.25
  6. Step 6: Final answer
    x = 242,372.45

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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.