Finding the Fourth Proportional to 640,585.67, 960,859.80 and 167,271.08
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Solution
The fourth proportional to 640,585.67, 960,859.80 and 167,271.08 is: 250,901.73
Step by Step Solution
- Step 1: Write the proportion equation
640,585.67 : 960,859.80 = 167,271.08 : x - Step 2: Convert to fraction form
640,585.67/960,859.80 = 167,271.08/x - Step 3: Cross multiply
640,585.67x = 960,859.80 × 167,271.08 - Step 4: Simplify right side
640,585.67x = 160,724,051,670.29 - Step 5: Solve for x
x = 160,724,051,670.29/640,585.67 - Step 6: Final answer
x = 250,901.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.