Home / 648,155.20-971,941.20-248,663.20

Finding the Fourth Proportional to 648,155.20, 971,941.20 and 248,663.20

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Solution

The fourth proportional to 648,155.20, 971,941.20 and 248,663.20 is: 372,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,155.20 : 971,941.20 = 248,663.20 : x
  2. Step 2: Convert to fraction form
    648,155.20/971,941.20 = 248,663.20/x
  3. Step 3: Cross multiply
    648,155.20x = 971,941.20 × 248,663.20
  4. Step 4: Simplify right side
    648,155.20x = 241,686,009,003.84
  5. Step 5: Solve for x
    x = 241,686,009,003.84/648,155.20
  6. Step 6: Final answer
    x = 372,882.93

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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.