Home / 340,373.80-510,506.02-103,661.43

Finding the Fourth Proportional to 340,373.80, 510,506.02 and 103,661.43

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Solution

The fourth proportional to 340,373.80, 510,506.02 and 103,661.43 is: 155,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,373.80 : 510,506.02 = 103,661.43 : x
  2. Step 2: Convert to fraction form
    340,373.80/510,506.02 = 103,661.43/x
  3. Step 3: Cross multiply
    340,373.80x = 510,506.02 × 103,661.43
  4. Step 4: Simplify right side
    340,373.80x = 52,919,784,056.81
  5. Step 5: Solve for x
    x = 52,919,784,056.81/340,373.80
  6. Step 6: Final answer
    x = 155,475.49

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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.