Finding the Fourth Proportional to 147,345.62, 221,019.97 and 117,950.31
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Solution
The fourth proportional to 147,345.62, 221,019.97 and 117,950.31 is: 176,926.70
Step by Step Solution
- Step 1: Write the proportion equation
147,345.62 : 221,019.97 = 117,950.31 : x - Step 2: Convert to fraction form
147,345.62/221,019.97 = 117,950.31/x - Step 3: Cross multiply
147,345.62x = 221,019.97 × 117,950.31 - Step 4: Simplify right side
147,345.62x = 26,069,374,318.38 - Step 5: Solve for x
x = 26,069,374,318.38/147,345.62 - Step 6: Final answer
x = 176,926.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.