Finding the Fourth Proportional to 319,507.08, 440,916.84 and 176,268.24
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Solution
The fourth proportional to 319,507.08, 440,916.84 and 176,268.24 is: 243,248.55
Step by Step Solution
- Step 1: Write the proportion equation
319,507.08 : 440,916.84 = 176,268.24 : x - Step 2: Convert to fraction form
319,507.08/440,916.84 = 176,268.24/x - Step 3: Cross multiply
319,507.08x = 440,916.84 × 176,268.24 - Step 4: Simplify right side
319,507.08x = 77,719,635,373.16 - Step 5: Solve for x
x = 77,719,635,373.16/319,507.08 - Step 6: Final answer
x = 243,248.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.