Finding the Fourth Proportional to 402,920.06, 602,889.33 and 243,088.70
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Solution
The fourth proportional to 402,920.06, 602,889.33 and 243,088.70 is: 363,733.65
Step by Step Solution
- Step 1: Write the proportion equation
402,920.06 : 602,889.33 = 243,088.70 : x - Step 2: Convert to fraction form
402,920.06/602,889.33 = 243,088.70/x - Step 3: Cross multiply
402,920.06x = 602,889.33 × 243,088.70 - Step 4: Simplify right side
402,920.06x = 146,555,583,473.57 - Step 5: Solve for x
x = 146,555,583,473.57/402,920.06 - Step 6: Final answer
x = 363,733.65
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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.