Finding the Fourth Proportional to 236,439.68, 354,725.76 and 103,331.84
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Solution
The fourth proportional to 236,439.68, 354,725.76 and 103,331.84 is: 155,026.71
Step by Step Solution
- Step 1: Write the proportion equation
236,439.68 : 354,725.76 = 103,331.84 : x - Step 2: Convert to fraction form
236,439.68/354,725.76 = 103,331.84/x - Step 3: Cross multiply
236,439.68x = 354,725.76 × 103,331.84 - Step 4: Simplify right side
236,439.68x = 36,654,465,476.20 - Step 5: Solve for x
x = 36,654,465,476.20/236,439.68 - Step 6: Final answer
x = 155,026.71
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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.