Finding the Fourth Proportional to 640,970.84, 960,778.29 and 241,438.75
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Solution
The fourth proportional to 640,970.84, 960,778.29 and 241,438.75 is: 361,902.75
Step by Step Solution
- Step 1: Write the proportion equation
640,970.84 : 960,778.29 = 241,438.75 : x - Step 2: Convert to fraction form
640,970.84/960,778.29 = 241,438.75/x - Step 3: Cross multiply
640,970.84x = 960,778.29 × 241,438.75 - Step 4: Simplify right side
640,970.84x = 231,969,109,364.74 - Step 5: Solve for x
x = 231,969,109,364.74/640,970.84 - Step 6: Final answer
x = 361,902.75
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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.