Home / 519,936.04-780,001.02-164,854.60

Finding the Fourth Proportional to 519,936.04, 780,001.02 and 164,854.60

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Solution

The fourth proportional to 519,936.04, 780,001.02 and 164,854.60 is: 247,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,936.04 : 780,001.02 = 164,854.60 : x
  2. Step 2: Convert to fraction form
    519,936.04/780,001.02 = 164,854.60/x
  3. Step 3: Cross multiply
    519,936.04x = 780,001.02 × 164,854.60
  4. Step 4: Simplify right side
    519,936.04x = 128,586,756,151.69
  5. Step 5: Solve for x
    x = 128,586,756,151.69/519,936.04
  6. Step 6: Final answer
    x = 247,312.64

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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.