Finding the Fourth Proportional to 319,053.08, 440,312.84 and 175,813.04
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Solution
The fourth proportional to 319,053.08, 440,312.84 and 175,813.04 is: 242,632.79
Step by Step Solution
- Step 1: Write the proportion equation
319,053.08 : 440,312.84 = 175,813.04 : x - Step 2: Convert to fraction form
319,053.08/440,312.84 = 175,813.04/x - Step 3: Cross multiply
319,053.08x = 440,312.84 × 175,813.04 - Step 4: Simplify right side
319,053.08x = 77,412,738,951.43 - Step 5: Solve for x
x = 77,412,738,951.43/319,053.08 - Step 6: Final answer
x = 242,632.79
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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.