Home / 260,582.28-390,881.88-89,802.24

Finding the Fourth Proportional to 260,582.28, 390,881.88 and 89,802.24

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Solution

The fourth proportional to 260,582.28, 390,881.88 and 89,802.24 is: 134,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,582.28 : 390,881.88 = 89,802.24 : x
  2. Step 2: Convert to fraction form
    260,582.28/390,881.88 = 89,802.24/x
  3. Step 3: Cross multiply
    260,582.28x = 390,881.88 × 89,802.24
  4. Step 4: Simplify right side
    260,582.28x = 35,102,068,399.41
  5. Step 5: Solve for x
    x = 35,102,068,399.41/260,582.28
  6. Step 6: Final answer
    x = 134,706.28

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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.