Home / 403,168.16-604,752.26-122,765.60

Finding the Fourth Proportional to 403,168.16, 604,752.26 and 122,765.60

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Solution

The fourth proportional to 403,168.16, 604,752.26 and 122,765.60 is: 184,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,168.16 : 604,752.26 = 122,765.60 : x
  2. Step 2: Convert to fraction form
    403,168.16/604,752.26 = 122,765.60/x
  3. Step 3: Cross multiply
    403,168.16x = 604,752.26 × 122,765.60
  4. Step 4: Simplify right side
    403,168.16x = 74,242,774,948.31
  5. Step 5: Solve for x
    x = 74,242,774,948.31/403,168.16
  6. Step 6: Final answer
    x = 184,148.41

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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.