Finding the Fourth Proportional to 319,129.36, 478,764.04 and 94,507.28
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Solution
The fourth proportional to 319,129.36, 478,764.04 and 94,507.28 is: 141,781.65
Step by Step Solution
- Step 1: Write the proportion equation
319,129.36 : 478,764.04 = 94,507.28 : x - Step 2: Convert to fraction form
319,129.36/478,764.04 = 94,507.28/x - Step 3: Cross multiply
319,129.36x = 478,764.04 × 94,507.28 - Step 4: Simplify right side
319,129.36x = 45,246,687,182.21 - Step 5: Solve for x
x = 45,246,687,182.21/319,129.36 - Step 6: Final answer
x = 141,781.65
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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.