Finding the Fourth Proportional to 319,677.93, 441,154.62 and 176,436.95
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Solution
The fourth proportional to 319,677.93, 441,154.62 and 176,436.95 is: 243,482.47
Step by Step Solution
- Step 1: Write the proportion equation
319,677.93 : 441,154.62 = 176,436.95 : x - Step 2: Convert to fraction form
319,677.93/441,154.62 = 176,436.95/x - Step 3: Cross multiply
319,677.93x = 441,154.62 × 176,436.95 - Step 4: Simplify right side
319,677.93x = 77,835,973,425.44 - Step 5: Solve for x
x = 77,835,973,425.44/319,677.93 - Step 6: Final answer
x = 243,482.47
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1.5x scale
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.