Finding the Fourth Proportional to 319,303.08, 440,658.06 and 176,062.68
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Solution
The fourth proportional to 319,303.08, 440,658.06 and 176,062.68 is: 242,977.42
Step by Step Solution
- Step 1: Write the proportion equation
319,303.08 : 440,658.06 = 176,062.68 : x - Step 2: Convert to fraction form
319,303.08/440,658.06 = 176,062.68/x - Step 3: Cross multiply
319,303.08x = 440,658.06 × 176,062.68 - Step 4: Simplify right side
319,303.08x = 77,583,439,007.20 - Step 5: Solve for x
x = 77,583,439,007.20/319,303.08 - Step 6: Final answer
x = 242,977.42
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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.