Finding the Fourth Proportional to 331,363.70, 497,110.35 and 141,823.70
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Solution
The fourth proportional to 331,363.70, 497,110.35 and 141,823.70 is: 212,763.28
Step by Step Solution
- Step 1: Write the proportion equation
331,363.70 : 497,110.35 = 141,823.70 : x - Step 2: Convert to fraction form
331,363.70/497,110.35 = 141,823.70/x - Step 3: Cross multiply
331,363.70x = 497,110.35 × 141,823.70 - Step 4: Simplify right side
331,363.70x = 70,502,029,145.30 - Step 5: Solve for x
x = 70,502,029,145.30/331,363.70 - Step 6: Final answer
x = 212,763.28
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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.