Finding the Fourth Proportional to 296,994.18, 445,455.08 and 86,632.32
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Solution
The fourth proportional to 296,994.18, 445,455.08 and 86,632.32 is: 129,937.92
Step by Step Solution
- Step 1: Write the proportion equation
296,994.18 : 445,455.08 = 86,632.32 : x - Step 2: Convert to fraction form
296,994.18/445,455.08 = 86,632.32/x - Step 3: Cross multiply
296,994.18x = 445,455.08 × 86,632.32 - Step 4: Simplify right side
296,994.18x = 38,590,807,036.19 - Step 5: Solve for x
x = 38,590,807,036.19/296,994.18 - Step 6: Final answer
x = 129,937.92
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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.