Finding the Fourth Proportional to 319,110.17, 440,350.99 and 175,869.86
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Solution
The fourth proportional to 319,110.17, 440,350.99 and 175,869.86 is: 242,688.80
Step by Step Solution
- Step 1: Write the proportion equation
319,110.17 : 440,350.99 = 175,869.86 : x - Step 2: Convert to fraction form
319,110.17/440,350.99 = 175,869.86/x - Step 3: Cross multiply
319,110.17x = 440,350.99 × 175,869.86 - Step 4: Simplify right side
319,110.17x = 77,444,464,320.73 - Step 5: Solve for x
x = 77,444,464,320.73/319,110.17 - Step 6: Final answer
x = 242,688.80
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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.