Finding the Fourth Proportional to 319,737.68, 441,238.29 and 176,497.58
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Solution
The fourth proportional to 319,737.68, 441,238.29 and 176,497.58 is: 243,566.82
Step by Step Solution
- Step 1: Write the proportion equation
319,737.68 : 441,238.29 = 176,497.58 : x - Step 2: Convert to fraction form
319,737.68/441,238.29 = 176,497.58/x - Step 3: Cross multiply
319,737.68x = 441,238.29 × 176,497.58 - Step 4: Simplify right side
319,737.68x = 77,877,490,829.57 - Step 5: Solve for x
x = 77,877,490,829.57/319,737.68 - Step 6: Final answer
x = 243,566.82
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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.