Finding the Fourth Proportional to 316,127.08, 436,681.38 and 252,916.84
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Solution
The fourth proportional to 316,127.08, 436,681.38 and 252,916.84 is: 349,366.07
Step by Step Solution
- Step 1: Write the proportion equation
316,127.08 : 436,681.38 = 252,916.84 : x - Step 2: Convert to fraction form
316,127.08/436,681.38 = 252,916.84/x - Step 3: Cross multiply
316,127.08x = 436,681.38 × 252,916.84 - Step 4: Simplify right side
316,127.08x = 110,444,074,716.44 - Step 5: Solve for x
x = 110,444,074,716.44/316,127.08 - Step 6: Final answer
x = 349,366.07
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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.