Finding the Fourth Proportional to 319,567.62, 441,002.14 and 176,326.95
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Solution
The fourth proportional to 319,567.62, 441,002.14 and 176,326.95 is: 243,330.54
Step by Step Solution
- Step 1: Write the proportion equation
319,567.62 : 441,002.14 = 176,326.95 : x - Step 2: Convert to fraction form
319,567.62/441,002.14 = 176,326.95/x - Step 3: Cross multiply
319,567.62x = 441,002.14 × 176,326.95 - Step 4: Simplify right side
319,567.62x = 77,760,562,289.67 - Step 5: Solve for x
x = 77,760,562,289.67/319,567.62 - Step 6: Final answer
x = 243,330.54
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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.