Finding the Fourth Proportional to 298,986.84, 448,657.02 and 121,480.20
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Solution
The fourth proportional to 298,986.84, 448,657.02 and 121,480.20 is: 182,292.12
Step by Step Solution
- Step 1: Write the proportion equation
298,986.84 : 448,657.02 = 121,480.20 : x - Step 2: Convert to fraction form
298,986.84/448,657.02 = 121,480.20/x - Step 3: Cross multiply
298,986.84x = 448,657.02 × 121,480.20 - Step 4: Simplify right side
298,986.84x = 54,502,944,521.00 - Step 5: Solve for x
x = 54,502,944,521.00/298,986.84 - Step 6: Final answer
x = 182,292.12
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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.