Finding the Fourth Proportional to 368,705.13, 508,793.72 and 207,554.82
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Solution
The fourth proportional to 368,705.13, 508,793.72 and 207,554.82 is: 286,414.75
Step by Step Solution
- Step 1: Write the proportion equation
368,705.13 : 508,793.72 = 207,554.82 : x - Step 2: Convert to fraction form
368,705.13/508,793.72 = 207,554.82/x - Step 3: Cross multiply
368,705.13x = 508,793.72 × 207,554.82 - Step 4: Simplify right side
368,705.13x = 105,602,587,933.96 - Step 5: Solve for x
x = 105,602,587,933.96/368,705.13 - Step 6: Final answer
x = 286,414.75
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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.