Home / 364,839.40-547,259.10-307,102.60

Finding the Fourth Proportional to 364,839.40, 547,259.10 and 307,102.60

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Solution

The fourth proportional to 364,839.40, 547,259.10 and 307,102.60 is: 460,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,839.40 : 547,259.10 = 307,102.60 : x
  2. Step 2: Convert to fraction form
    364,839.40/547,259.10 = 307,102.60/x
  3. Step 3: Cross multiply
    364,839.40x = 547,259.10 × 307,102.60
  4. Step 4: Simplify right side
    364,839.40x = 168,064,692,483.66
  5. Step 5: Solve for x
    x = 168,064,692,483.66/364,839.40
  6. Step 6: Final answer
    x = 460,653.90

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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.