Finding the Fourth Proportional to 750,112.80, 1,125,278.64 and 217,636.80
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Solution
The fourth proportional to 750,112.80, 1,125,278.64 and 217,636.80 is: 326,486.95
Step by Step Solution
- Step 1: Write the proportion equation
750,112.80 : 1,125,278.64 = 217,636.80 : x - Step 2: Convert to fraction form
750,112.80/1,125,278.64 = 217,636.80/x - Step 3: Cross multiply
750,112.80x = 1,125,278.64 × 217,636.80 - Step 4: Simplify right side
750,112.80x = 244,902,042,317.95 - Step 5: Solve for x
x = 244,902,042,317.95/750,112.80 - Step 6: Final answer
x = 326,486.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.