Finding the Fourth Proportional to 282,655.80, 423,983.70 and 268,877.70
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Solution
The fourth proportional to 282,655.80, 423,983.70 and 268,877.70 is: 403,316.55
Step by Step Solution
- Step 1: Write the proportion equation
282,655.80 : 423,983.70 = 268,877.70 : x - Step 2: Convert to fraction form
282,655.80/423,983.70 = 268,877.70/x - Step 3: Cross multiply
282,655.80x = 423,983.70 × 268,877.70 - Step 4: Simplify right side
282,655.80x = 113,999,762,093.49 - Step 5: Solve for x
x = 113,999,762,093.49/282,655.80 - Step 6: Final answer
x = 403,316.55
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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.