Finding the Fourth Proportional to 808,206.47, 1,212,265.75 and 247,240.97
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Solution
The fourth proportional to 808,206.47, 1,212,265.75 and 247,240.97 is: 370,848.01
Step by Step Solution
- Step 1: Write the proportion equation
808,206.47 : 1,212,265.75 = 247,240.97 : x - Step 2: Convert to fraction form
808,206.47/1,212,265.75 = 247,240.97/x - Step 3: Cross multiply
808,206.47x = 1,212,265.75 × 247,240.97 - Step 4: Simplify right side
808,206.47x = 299,721,759,927.78 - Step 5: Solve for x
x = 299,721,759,927.78/808,206.47 - Step 6: Final answer
x = 370,848.01
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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.