Finding the Fourth Proportional to 542,802.36, 748,576.98 and 338,872.18
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Solution
The fourth proportional to 542,802.36, 748,576.98 and 338,872.18 is: 467,337.53
Step by Step Solution
- Step 1: Write the proportion equation
542,802.36 : 748,576.98 = 338,872.18 : x - Step 2: Convert to fraction form
542,802.36/748,576.98 = 338,872.18/x - Step 3: Cross multiply
542,802.36x = 748,576.98 × 338,872.18 - Step 4: Simplify right side
542,802.36x = 253,671,913,110.42 - Step 5: Solve for x
x = 253,671,913,110.42/542,802.36 - Step 6: Final answer
x = 467,337.53
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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.