Home / 340,280.32-510,420.44-103,623.02

Finding the Fourth Proportional to 340,280.32, 510,420.44 and 103,623.02

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Solution

The fourth proportional to 340,280.32, 510,420.44 and 103,623.02 is: 155,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,280.32 : 510,420.44 = 103,623.02 : x
  2. Step 2: Convert to fraction form
    340,280.32/510,420.44 = 103,623.02/x
  3. Step 3: Cross multiply
    340,280.32x = 510,420.44 × 103,623.02
  4. Step 4: Simplify right side
    340,280.32x = 52,891,307,462.53
  5. Step 5: Solve for x
    x = 52,891,307,462.53/340,280.32
  6. Step 6: Final answer
    x = 155,434.52

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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.