Finding the Fourth Proportional to 389,272.66, 537,214.67 and 219,503.14
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Solution
The fourth proportional to 389,272.66, 537,214.67 and 219,503.14 is: 302,924.71
Step by Step Solution
- Step 1: Write the proportion equation
389,272.66 : 537,214.67 = 219,503.14 : x - Step 2: Convert to fraction form
389,272.66/537,214.67 = 219,503.14/x - Step 3: Cross multiply
389,272.66x = 537,214.67 × 219,503.14 - Step 4: Simplify right side
389,272.66x = 117,920,306,919.06 - Step 5: Solve for x
x = 117,920,306,919.06/389,272.66 - Step 6: Final answer
x = 302,924.71
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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.