Finding the Fourth Proportional to 319,552.24, 440,983.52 and 176,312.20
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Solution
The fourth proportional to 319,552.24, 440,983.52 and 176,312.20 is: 243,311.62
Step by Step Solution
- Step 1: Write the proportion equation
319,552.24 : 440,983.52 = 176,312.20 : x - Step 2: Convert to fraction form
319,552.24/440,983.52 = 176,312.20/x - Step 3: Cross multiply
319,552.24x = 440,983.52 × 176,312.20 - Step 4: Simplify right side
319,552.24x = 77,750,774,574.94 - Step 5: Solve for x
x = 77,750,774,574.94/319,552.24 - Step 6: Final answer
x = 243,311.62
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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.