Finding the Fourth Proportional to 476,623.62, 714,934.82 and 121,637.66
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Solution
The fourth proportional to 476,623.62, 714,934.82 and 121,637.66 is: 182,456.33
Step by Step Solution
- Step 1: Write the proportion equation
476,623.62 : 714,934.82 = 121,637.66 : x - Step 2: Convert to fraction form
476,623.62/714,934.82 = 121,637.66/x - Step 3: Cross multiply
476,623.62x = 714,934.82 × 121,637.66 - Step 4: Simplify right side
476,623.62x = 86,962,994,374.46 - Step 5: Solve for x
x = 86,962,994,374.46/476,623.62 - Step 6: Final answer
x = 182,456.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.