Finding the Fourth Proportional to 357,717.84, 536,243.10 and 120,894.90
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Solution
The fourth proportional to 357,717.84, 536,243.10 and 120,894.90 is: 181,229.59
Step by Step Solution
- Step 1: Write the proportion equation
357,717.84 : 536,243.10 = 120,894.90 : x - Step 2: Convert to fraction form
357,717.84/536,243.10 = 120,894.90/x - Step 3: Cross multiply
357,717.84x = 536,243.10 × 120,894.90 - Step 4: Simplify right side
357,717.84x = 64,829,055,950.19 - Step 5: Solve for x
x = 64,829,055,950.19/357,717.84 - Step 6: Final answer
x = 181,229.59
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1.5x scale
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.