Finding the Fourth Proportional to 292,187.66, 438,298.16 and 81,842.00
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Solution
The fourth proportional to 292,187.66, 438,298.16 and 81,842.00 is: 122,767.66
Step by Step Solution
- Step 1: Write the proportion equation
292,187.66 : 438,298.16 = 81,842.00 : x - Step 2: Convert to fraction form
292,187.66/438,298.16 = 81,842.00/x - Step 3: Cross multiply
292,187.66x = 438,298.16 × 81,842.00 - Step 4: Simplify right side
292,187.66x = 35,871,195,410.02 - Step 5: Solve for x
x = 35,871,195,410.02/292,187.66 - Step 6: Final answer
x = 122,767.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.