Home / 369,918.47-554,893.85-117,217.58

Finding the Fourth Proportional to 369,918.47, 554,893.85 and 117,217.58

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Solution

The fourth proportional to 369,918.47, 554,893.85 and 117,217.58 is: 175,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,918.47 : 554,893.85 = 117,217.58 : x
  2. Step 2: Convert to fraction form
    369,918.47/554,893.85 = 117,217.58/x
  3. Step 3: Cross multiply
    369,918.47x = 554,893.85 × 117,217.58
  4. Step 4: Simplify right side
    369,918.47x = 65,043,314,253.88
  5. Step 5: Solve for x
    x = 65,043,314,253.88/369,918.47
  6. Step 6: Final answer
    x = 175,831.49

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1.5x scale

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.