Home / 319,056.24-440,307.68-183,115

Finding the Fourth Proportional to 319,056.24, 440,307.68 and 183,115

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Solution

The fourth proportional to 319,056.24, 440,307.68 and 183,115 is: 252,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,056.24 : 440,307.68 = 183,115 : x
  2. Step 2: Convert to fraction form
    319,056.24/440,307.68 = 183,115/x
  3. Step 3: Cross multiply
    319,056.24x = 440,307.68 × 183,115
  4. Step 4: Simplify right side
    319,056.24x = 80,626,940,823.20
  5. Step 5: Solve for x
    x = 80,626,940,823.20/319,056.24
  6. Step 6: Final answer
    x = 252,704.48

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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.