Finding the Fourth Proportional to 644,176.74, 966,315.82 and 170,862.14
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Solution
The fourth proportional to 644,176.74, 966,315.82 and 170,862.14 is: 256,306.66
Step by Step Solution
- Step 1: Write the proportion equation
644,176.74 : 966,315.82 = 170,862.14 : x - Step 2: Convert to fraction form
644,176.74/966,315.82 = 170,862.14/x - Step 3: Cross multiply
644,176.74x = 966,315.82 × 170,862.14 - Step 4: Simplify right side
644,176.74x = 165,106,788,921.06 - Step 5: Solve for x
x = 165,106,788,921.06/644,176.74 - Step 6: Final answer
x = 256,306.66
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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.