Finding the Fourth Proportional to 139,508.92, 209,306.58 and 48,332.08
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Solution
The fourth proportional to 139,508.92, 209,306.58 and 48,332.08 is: 72,513.09
Step by Step Solution
- Step 1: Write the proportion equation
139,508.92 : 209,306.58 = 48,332.08 : x - Step 2: Convert to fraction form
139,508.92/209,306.58 = 48,332.08/x - Step 3: Cross multiply
139,508.92x = 209,306.58 × 48,332.08 - Step 4: Simplify right side
139,508.92x = 10,116,222,369.09 - Step 5: Solve for x
x = 10,116,222,369.09/139,508.92 - Step 6: Final answer
x = 72,513.09
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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.