Finding the Fourth Proportional to 299,149.74, 448,727.40 and 88,787.70
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Solution
The fourth proportional to 299,149.74, 448,727.40 and 88,787.70 is: 133,182.38
Step by Step Solution
- Step 1: Write the proportion equation
299,149.74 : 448,727.40 = 88,787.70 : x - Step 2: Convert to fraction form
299,149.74/448,727.40 = 88,787.70/x - Step 3: Cross multiply
299,149.74x = 448,727.40 × 88,787.70 - Step 4: Simplify right side
299,149.74x = 39,841,473,772.98 - Step 5: Solve for x
x = 39,841,473,772.98/299,149.74 - Step 6: Final answer
x = 133,182.38
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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.