Finding the Fourth Proportional to 608,291.91, 839,106.14 and 353,614.95
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Solution
The fourth proportional to 608,291.91, 839,106.14 and 353,614.95 is: 487,792.90
Step by Step Solution
- Step 1: Write the proportion equation
608,291.91 : 839,106.14 = 353,614.95 : x - Step 2: Convert to fraction form
608,291.91/839,106.14 = 353,614.95/x - Step 3: Cross multiply
608,291.91x = 839,106.14 × 353,614.95 - Step 4: Simplify right side
608,291.91x = 296,720,473,972.72 - Step 5: Solve for x
x = 296,720,473,972.72/608,291.91 - Step 6: Final answer
x = 487,792.90
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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.