Home / 319,075.76-440,318.90-173,882.84

Finding the Fourth Proportional to 319,075.76, 440,318.90 and 173,882.84

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Solution

The fourth proportional to 319,075.76, 440,318.90 and 173,882.84 is: 239,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,075.76 : 440,318.90 = 173,882.84 : x
  2. Step 2: Convert to fraction form
    319,075.76/440,318.90 = 173,882.84/x
  3. Step 3: Cross multiply
    319,075.76x = 440,318.90 × 173,882.84
  4. Step 4: Simplify right side
    319,075.76x = 76,563,900,837.68
  5. Step 5: Solve for x
    x = 76,563,900,837.68/319,075.76
  6. Step 6: Final answer
    x = 239,955.24

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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.