Finding the Fourth Proportional to 319,322.86, 440,695.11 and 183,374.62
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Solution
The fourth proportional to 319,322.86, 440,695.11 and 183,374.62 is: 253,073.95
Step by Step Solution
- Step 1: Write the proportion equation
319,322.86 : 440,695.11 = 183,374.62 : x - Step 2: Convert to fraction form
319,322.86/440,695.11 = 183,374.62/x - Step 3: Cross multiply
319,322.86x = 440,695.11 × 183,374.62 - Step 4: Simplify right side
319,322.86x = 80,812,298,332.11 - Step 5: Solve for x
x = 80,812,298,332.11/319,322.86 - Step 6: Final answer
x = 253,073.95
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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.