Finding the Fourth Proportional to 502,284.61, 692,876.68 and 318,186.02
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Solution
The fourth proportional to 502,284.61, 692,876.68 and 318,186.02 is: 438,921.82
Step by Step Solution
- Step 1: Write the proportion equation
502,284.61 : 692,876.68 = 318,186.02 : x - Step 2: Convert to fraction form
502,284.61/692,876.68 = 318,186.02/x - Step 3: Cross multiply
502,284.61x = 692,876.68 × 318,186.02 - Step 4: Simplify right side
502,284.61x = 220,463,675,886.54 - Step 5: Solve for x
x = 220,463,675,886.54/502,284.61 - Step 6: Final answer
x = 438,921.82
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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.