Finding the Fourth Proportional to 292,646.72, 438,963.84 and 134,875.17
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Solution
The fourth proportional to 292,646.72, 438,963.84 and 134,875.17 is: 202,309.88
Step by Step Solution
- Step 1: Write the proportion equation
292,646.72 : 438,963.84 = 134,875.17 : x - Step 2: Convert to fraction form
292,646.72/438,963.84 = 134,875.17/x - Step 3: Cross multiply
292,646.72x = 438,963.84 × 134,875.17 - Step 4: Simplify right side
292,646.72x = 59,205,322,543.85 - Step 5: Solve for x
x = 59,205,322,543.85/292,646.72 - Step 6: Final answer
x = 202,309.88
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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.