Finding the Fourth Proportional to 472,602.78, 652,230.66 and 268,717.68
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Solution
The fourth proportional to 472,602.78, 652,230.66 and 268,717.68 is: 370,852.47
Step by Step Solution
- Step 1: Write the proportion equation
472,602.78 : 652,230.66 = 268,717.68 : x - Step 2: Convert to fraction form
472,602.78/652,230.66 = 268,717.68/x - Step 3: Cross multiply
472,602.78x = 652,230.66 × 268,717.68 - Step 4: Simplify right side
472,602.78x = 175,265,909,780.07 - Step 5: Solve for x
x = 175,265,909,780.07/472,602.78 - Step 6: Final answer
x = 370,852.47
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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.