Finding the Fourth Proportional to 423,878.59, 635,816.26 and 108,334.99
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Solution
The fourth proportional to 423,878.59, 635,816.26 and 108,334.99 is: 162,502.07
Step by Step Solution
- Step 1: Write the proportion equation
423,878.59 : 635,816.26 = 108,334.99 : x - Step 2: Convert to fraction form
423,878.59/635,816.26 = 108,334.99/x - Step 3: Cross multiply
423,878.59x = 635,816.26 × 108,334.99 - Step 4: Simplify right side
423,878.59x = 68,881,148,168.94 - Step 5: Solve for x
x = 68,881,148,168.94/423,878.59 - Step 6: Final answer
x = 162,502.07
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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.