Home / 382,878.40-574,317.63-102,388.36

Finding the Fourth Proportional to 382,878.40, 574,317.63 and 102,388.36

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Solution

The fourth proportional to 382,878.40, 574,317.63 and 102,388.36 is: 153,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,878.40 : 574,317.63 = 102,388.36 : x
  2. Step 2: Convert to fraction form
    382,878.40/574,317.63 = 102,388.36/x
  3. Step 3: Cross multiply
    382,878.40x = 574,317.63 × 102,388.36
  4. Step 4: Simplify right side
    382,878.40x = 58,803,440,254.79
  5. Step 5: Solve for x
    x = 58,803,440,254.79/382,878.40
  6. Step 6: Final answer
    x = 153,582.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.