Finding the Fourth Proportional to 292,649.29, 438,635.08 and 134,545.93
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Solution
The fourth proportional to 292,649.29, 438,635.08 and 134,545.93 is: 201,663.11
Step by Step Solution
- Step 1: Write the proportion equation
292,649.29 : 438,635.08 = 134,545.93 : x - Step 2: Convert to fraction form
292,649.29/438,635.08 = 134,545.93/x - Step 3: Cross multiply
292,649.29x = 438,635.08 × 134,545.93 - Step 4: Simplify right side
292,649.29x = 59,016,564,769.22 - Step 5: Solve for x
x = 59,016,564,769.22/292,649.29 - Step 6: Final answer
x = 201,663.11
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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.