Finding the Fourth Proportional to 147,345.68, 221,020.06 and 117,950.38
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Solution
The fourth proportional to 147,345.68, 221,020.06 and 117,950.38 is: 176,926.80
Step by Step Solution
- Step 1: Write the proportion equation
147,345.68 : 221,020.06 = 117,950.38 : x - Step 2: Convert to fraction form
147,345.68/221,020.06 = 117,950.38/x - Step 3: Cross multiply
147,345.68x = 221,020.06 × 117,950.38 - Step 4: Simplify right side
147,345.68x = 26,069,399,254.40 - Step 5: Solve for x
x = 26,069,399,254.40/147,345.68 - Step 6: Final answer
x = 176,926.80
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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.