Finding the Fourth Proportional to 287,988.19, 432,175.11 and 119,508.68
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Solution
The fourth proportional to 287,988.19, 432,175.11 and 119,508.68 is: 179,343.04
Step by Step Solution
- Step 1: Write the proportion equation
287,988.19 : 432,175.11 = 119,508.68 : x - Step 2: Convert to fraction form
287,988.19/432,175.11 = 119,508.68/x - Step 3: Cross multiply
287,988.19x = 432,175.11 × 119,508.68 - Step 4: Simplify right side
287,988.19x = 51,648,676,924.95 - Step 5: Solve for x
x = 51,648,676,924.95/287,988.19 - Step 6: Final answer
x = 179,343.04
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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.