Home / 522,048.40-782,995.80-148,109.20

Finding the Fourth Proportional to 522,048.40, 782,995.80 and 148,109.20

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Solution

The fourth proportional to 522,048.40, 782,995.80 and 148,109.20 is: 222,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,048.40 : 782,995.80 = 148,109.20 : x
  2. Step 2: Convert to fraction form
    522,048.40/782,995.80 = 148,109.20/x
  3. Step 3: Cross multiply
    522,048.40x = 782,995.80 × 148,109.20
  4. Step 4: Simplify right side
    522,048.40x = 115,968,881,541.36
  5. Step 5: Solve for x
    x = 115,968,881,541.36/522,048.40
  6. Step 6: Final answer
    x = 222,142.01

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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.