Finding the Fourth Proportional to 282,714.84, 424,088.15 and 90,605.99
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Solution
The fourth proportional to 282,714.84, 424,088.15 and 90,605.99 is: 135,914.07
Step by Step Solution
- Step 1: Write the proportion equation
282,714.84 : 424,088.15 = 90,605.99 : x - Step 2: Convert to fraction form
282,714.84/424,088.15 = 90,605.99/x - Step 3: Cross multiply
282,714.84x = 424,088.15 × 90,605.99 - Step 4: Simplify right side
282,714.84x = 38,424,924,104.55 - Step 5: Solve for x
x = 38,424,924,104.55/282,714.84 - Step 6: Final answer
x = 135,914.07
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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.