Finding the Fourth Proportional to 318,864.06, 440,052.35 and 175,624.07
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Solution
The fourth proportional to 318,864.06, 440,052.35 and 175,624.07 is: 242,372.19
Step by Step Solution
- Step 1: Write the proportion equation
318,864.06 : 440,052.35 = 175,624.07 : x - Step 2: Convert to fraction form
318,864.06/440,052.35 = 175,624.07/x - Step 3: Cross multiply
318,864.06x = 440,052.35 × 175,624.07 - Step 4: Simplify right side
318,864.06x = 77,283,781,641.68 - Step 5: Solve for x
x = 77,283,781,641.68/318,864.06 - Step 6: Final answer
x = 242,372.19
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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.