Finding the Fourth Proportional to 377,778.24, 521,323.20 and 207,988.80
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Solution
The fourth proportional to 377,778.24, 521,323.20 and 207,988.80 is: 287,018.61
Step by Step Solution
- Step 1: Write the proportion equation
377,778.24 : 521,323.20 = 207,988.80 : x - Step 2: Convert to fraction form
377,778.24/521,323.20 = 207,988.80/x - Step 3: Cross multiply
377,778.24x = 521,323.20 × 207,988.80 - Step 4: Simplify right side
377,778.24x = 108,429,386,780.16 - Step 5: Solve for x
x = 108,429,386,780.16/377,778.24 - Step 6: Final answer
x = 287,018.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.