Home / 349,877.04-525,070.44-139,575.12

Finding the Fourth Proportional to 349,877.04, 525,070.44 and 139,575.12

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Solution

The fourth proportional to 349,877.04, 525,070.44 and 139,575.12 is: 209,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,877.04 : 525,070.44 = 139,575.12 : x
  2. Step 2: Convert to fraction form
    349,877.04/525,070.44 = 139,575.12/x
  3. Step 3: Cross multiply
    349,877.04x = 525,070.44 × 139,575.12
  4. Step 4: Simplify right side
    349,877.04x = 73,286,769,671.45
  5. Step 5: Solve for x
    x = 73,286,769,671.45/349,877.04
  6. Step 6: Final answer
    x = 209,464.36

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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.