Finding the Fourth Proportional to 402,179.06, 602,349.84 and 191,964.62
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Solution
The fourth proportional to 402,179.06, 602,349.84 and 191,964.62 is: 287,508.40
Step by Step Solution
- Step 1: Write the proportion equation
402,179.06 : 602,349.84 = 191,964.62 : x - Step 2: Convert to fraction form
402,179.06/602,349.84 = 191,964.62/x - Step 3: Cross multiply
402,179.06x = 602,349.84 × 191,964.62 - Step 4: Simplify right side
402,179.06x = 115,629,855,130.91 - Step 5: Solve for x
x = 115,629,855,130.91/402,179.06 - Step 6: Final answer
x = 287,508.40
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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.