Home / 648,153.20-971,938.20-248,661.20

Finding the Fourth Proportional to 648,153.20, 971,938.20 and 248,661.20

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Solution

The fourth proportional to 648,153.20, 971,938.20 and 248,661.20 is: 372,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,153.20 : 971,938.20 = 248,661.20 : x
  2. Step 2: Convert to fraction form
    648,153.20/971,938.20 = 248,661.20/x
  3. Step 3: Cross multiply
    648,153.20x = 971,938.20 × 248,661.20
  4. Step 4: Simplify right side
    648,153.20x = 241,683,319,137.84
  5. Step 5: Solve for x
    x = 241,683,319,137.84/648,153.20
  6. Step 6: Final answer
    x = 372,879.93

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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.