Finding the Fourth Proportional to 319,513.23, 440,925.80 and 176,279.31
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Solution
The fourth proportional to 319,513.23, 440,925.80 and 176,279.31 is: 243,264.09
Step by Step Solution
- Step 1: Write the proportion equation
319,513.23 : 440,925.80 = 176,279.31 : x - Step 2: Convert to fraction form
319,513.23/440,925.80 = 176,279.31/x - Step 3: Cross multiply
319,513.23x = 440,925.80 × 176,279.31 - Step 4: Simplify right side
319,513.23x = 77,726,094,903.80 - Step 5: Solve for x
x = 77,726,094,903.80/319,513.23 - Step 6: Final answer
x = 243,264.09
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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.