Home / 403,260.60-604,890.90-122,777.40

Finding the Fourth Proportional to 403,260.60, 604,890.90 and 122,777.40

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Solution

The fourth proportional to 403,260.60, 604,890.90 and 122,777.40 is: 184,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,260.60 : 604,890.90 = 122,777.40 : x
  2. Step 2: Convert to fraction form
    403,260.60/604,890.90 = 122,777.40/x
  3. Step 3: Cross multiply
    403,260.60x = 604,890.90 × 122,777.40
  4. Step 4: Simplify right side
    403,260.60x = 74,266,931,985.66
  5. Step 5: Solve for x
    x = 74,266,931,985.66/403,260.60
  6. Step 6: Final answer
    x = 184,166.10

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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.