Finding the Fourth Proportional to 669,981.04, 1,005,006.12 and 171,349.36
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Solution
The fourth proportional to 669,981.04, 1,005,006.12 and 171,349.36 is: 257,032.88
Step by Step Solution
- Step 1: Write the proportion equation
669,981.04 : 1,005,006.12 = 171,349.36 : x - Step 2: Convert to fraction form
669,981.04/1,005,006.12 = 171,349.36/x - Step 3: Cross multiply
669,981.04x = 1,005,006.12 × 171,349.36 - Step 4: Simplify right side
669,981.04x = 172,207,155,458.08 - Step 5: Solve for x
x = 172,207,155,458.08/669,981.04 - Step 6: Final answer
x = 257,032.88
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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.