Finding the Fourth Proportional to 383,119.84, 574,781.68 and 315,774.72
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Solution
The fourth proportional to 383,119.84, 574,781.68 and 315,774.72 is: 473,746.08
Step by Step Solution
- Step 1: Write the proportion equation
383,119.84 : 574,781.68 = 315,774.72 : x - Step 2: Convert to fraction form
383,119.84/574,781.68 = 315,774.72/x - Step 3: Cross multiply
383,119.84x = 574,781.68 × 315,774.72 - Step 4: Simplify right side
383,119.84x = 181,501,524,063.13 - Step 5: Solve for x
x = 181,501,524,063.13/383,119.84 - Step 6: Final answer
x = 473,746.08
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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.