Finding the Fourth Proportional to 421,587.08, 581,626.75 and 268,597.87
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Solution
The fourth proportional to 421,587.08, 581,626.75 and 268,597.87 is: 370,560.95
Step by Step Solution
- Step 1: Write the proportion equation
421,587.08 : 581,626.75 = 268,597.87 : x - Step 2: Convert to fraction form
421,587.08/581,626.75 = 268,597.87/x - Step 3: Cross multiply
421,587.08x = 581,626.75 × 268,597.87 - Step 4: Simplify right side
421,587.08x = 156,223,708,590.16 - Step 5: Solve for x
x = 156,223,708,590.16/421,587.08 - Step 6: Final answer
x = 370,560.95
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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.