Home / 668,292.02-1,002,106.38-212,823.89

Finding the Fourth Proportional to 668,292.02, 1,002,106.38 and 212,823.89

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Solution

The fourth proportional to 668,292.02, 1,002,106.38 and 212,823.89 is: 319,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,292.02 : 1,002,106.38 = 212,823.89 : x
  2. Step 2: Convert to fraction form
    668,292.02/1,002,106.38 = 212,823.89/x
  3. Step 3: Cross multiply
    668,292.02x = 1,002,106.38 × 212,823.89
  4. Step 4: Simplify right side
    668,292.02x = 213,272,177,530.88
  5. Step 5: Solve for x
    x = 213,272,177,530.88/668,292.02
  6. Step 6: Final answer
    x = 319,130.22

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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.