Home / 403,467.49-605,281.43-137,156.50

Finding the Fourth Proportional to 403,467.49, 605,281.43 and 137,156.50

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Solution

The fourth proportional to 403,467.49, 605,281.43 and 137,156.50 is: 205,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,467.49 : 605,281.43 = 137,156.50 : x
  2. Step 2: Convert to fraction form
    403,467.49/605,281.43 = 137,156.50/x
  3. Step 3: Cross multiply
    403,467.49x = 605,281.43 × 137,156.50
  4. Step 4: Simplify right side
    403,467.49x = 83,018,282,453.80
  5. Step 5: Solve for x
    x = 83,018,282,453.80/403,467.49
  6. Step 6: Final answer
    x = 205,762.01

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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.