Finding the Fourth Proportional to 745,132.16, 1,117,024.28 and 271,706.80
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Solution
The fourth proportional to 745,132.16, 1,117,024.28 and 271,706.80 is: 407,314.45
Step by Step Solution
- Step 1: Write the proportion equation
745,132.16 : 1,117,024.28 = 271,706.80 : x - Step 2: Convert to fraction form
745,132.16/1,117,024.28 = 271,706.80/x - Step 3: Cross multiply
745,132.16x = 1,117,024.28 × 271,706.80 - Step 4: Simplify right side
745,132.16x = 303,503,092,641.10 - Step 5: Solve for x
x = 303,503,092,641.10/745,132.16 - Step 6: Final answer
x = 407,314.45
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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.