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Finding the Fourth Proportional to 292,457.40, 403,592.50 and 158,321.40

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Solution

The fourth proportional to 292,457.40, 403,592.50 and 158,321.40 is: 218,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,457.40 : 403,592.50 = 158,321.40 : x
  2. Step 2: Convert to fraction form
    292,457.40/403,592.50 = 158,321.40/x
  3. Step 3: Cross multiply
    292,457.40x = 403,592.50 × 158,321.40
  4. Step 4: Simplify right side
    292,457.40x = 63,897,329,629.50
  5. Step 5: Solve for x
    x = 63,897,329,629.50/292,457.40
  6. Step 6: Final answer
    x = 218,484.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.