Finding the Fourth Proportional to 319,497.48, 440,904.06 and 176,263.56
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Solution
The fourth proportional to 319,497.48, 440,904.06 and 176,263.56 is: 243,242.35
Step by Step Solution
- Step 1: Write the proportion equation
319,497.48 : 440,904.06 = 176,263.56 : x - Step 2: Convert to fraction form
319,497.48/440,904.06 = 176,263.56/x - Step 3: Cross multiply
319,497.48x = 440,904.06 × 176,263.56 - Step 4: Simplify right side
319,497.48x = 77,715,319,234.05 - Step 5: Solve for x
x = 77,715,319,234.05/319,497.48 - Step 6: Final answer
x = 243,242.35
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1.5x scale
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.