Finding the Fourth Proportional to 432,897.75, 649,356.35 and 148,587.75
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Solution
The fourth proportional to 432,897.75, 649,356.35 and 148,587.75 is: 222,884.96
Step by Step Solution
- Step 1: Write the proportion equation
432,897.75 : 649,356.35 = 148,587.75 : x - Step 2: Convert to fraction form
432,897.75/649,356.35 = 148,587.75/x - Step 3: Cross multiply
432,897.75x = 649,356.35 × 148,587.75 - Step 4: Simplify right side
432,897.75x = 96,486,398,994.71 - Step 5: Solve for x
x = 96,486,398,994.71/432,897.75 - Step 6: Final answer
x = 222,884.96
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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.