Finding the Fourth Proportional to 472,736.76, 652,375.68 and 257,876.88
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Solution
The fourth proportional to 472,736.76, 652,375.68 and 257,876.88 is: 355,869.52
Step by Step Solution
- Step 1: Write the proportion equation
472,736.76 : 652,375.68 = 257,876.88 : x - Step 2: Convert to fraction form
472,736.76/652,375.68 = 257,876.88/x - Step 3: Cross multiply
472,736.76x = 652,375.68 × 257,876.88 - Step 4: Simplify right side
472,736.76x = 168,232,604,946.28 - Step 5: Solve for x
x = 168,232,604,946.28/472,736.76 - Step 6: Final answer
x = 355,869.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.