Finding the Fourth Proportional to 283,853.74, 425,862.79 and 84,178.93
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Solution
The fourth proportional to 283,853.74, 425,862.79 and 84,178.93 is: 126,292.76
Step by Step Solution
- Step 1: Write the proportion equation
283,853.74 : 425,862.79 = 84,178.93 : x - Step 2: Convert to fraction form
283,853.74/425,862.79 = 84,178.93/x - Step 3: Cross multiply
283,853.74x = 425,862.79 × 84,178.93 - Step 4: Simplify right side
283,853.74x = 35,848,671,971.13 - Step 5: Solve for x
x = 35,848,671,971.13/283,853.74 - Step 6: Final answer
x = 126,292.76
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1.5x scale
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.