Finding the Fourth Proportional to 319,468.08, 479,258.64 and 109,056.96
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Solution
The fourth proportional to 319,468.08, 479,258.64 and 109,056.96 is: 163,604.73
Step by Step Solution
- Step 1: Write the proportion equation
319,468.08 : 479,258.64 = 109,056.96 : x - Step 2: Convert to fraction form
319,468.08/479,258.64 = 109,056.96/x - Step 3: Cross multiply
319,468.08x = 479,258.64 × 109,056.96 - Step 4: Simplify right side
319,468.08x = 52,266,490,332.13 - Step 5: Solve for x
x = 52,266,490,332.13/319,468.08 - Step 6: Final answer
x = 163,604.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.