Finding the Fourth Proportional to 319,855.86, 441,398.16 and 176,612.76
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Solution
The fourth proportional to 319,855.86, 441,398.16 and 176,612.76 is: 243,723.99
Step by Step Solution
- Step 1: Write the proportion equation
319,855.86 : 441,398.16 = 176,612.76 : x - Step 2: Convert to fraction form
319,855.86/441,398.16 = 176,612.76/x - Step 3: Cross multiply
319,855.86x = 441,398.16 × 176,612.76 - Step 4: Simplify right side
319,855.86x = 77,956,547,296.52 - Step 5: Solve for x
x = 77,956,547,296.52/319,855.86 - Step 6: Final answer
x = 243,723.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.