Finding the Fourth Proportional to 573,616.16, 791,590.95 and 318,961.88
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Solution
The fourth proportional to 573,616.16, 791,590.95 and 318,961.88 is: 440,167.75
Step by Step Solution
- Step 1: Write the proportion equation
573,616.16 : 791,590.95 = 318,961.88 : x - Step 2: Convert to fraction form
573,616.16/791,590.95 = 318,961.88/x - Step 3: Cross multiply
573,616.16x = 791,590.95 × 318,961.88 - Step 4: Simplify right side
573,616.16x = 252,487,333,645.03 - Step 5: Solve for x
x = 252,487,333,645.03/573,616.16 - Step 6: Final answer
x = 440,167.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.