Finding the Fourth Proportional to 368,992.30, 553,618.05 and 132,342.70
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Solution
The fourth proportional to 368,992.30, 553,618.05 and 132,342.70 is: 198,560.53
Step by Step Solution
- Step 1: Write the proportion equation
368,992.30 : 553,618.05 = 132,342.70 : x - Step 2: Convert to fraction form
368,992.30/553,618.05 = 132,342.70/x - Step 3: Cross multiply
368,992.30x = 553,618.05 × 132,342.70 - Step 4: Simplify right side
368,992.30x = 73,267,307,505.74 - Step 5: Solve for x
x = 73,267,307,505.74/368,992.30 - Step 6: Final answer
x = 198,560.53
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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.