Finding the Fourth Proportional to 357,893.62, 536,446.74 and 147,416.74
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Solution
The fourth proportional to 357,893.62, 536,446.74 and 147,416.74 is: 220,962.95
Step by Step Solution
- Step 1: Write the proportion equation
357,893.62 : 536,446.74 = 147,416.74 : x - Step 2: Convert to fraction form
357,893.62/536,446.74 = 147,416.74/x - Step 3: Cross multiply
357,893.62x = 536,446.74 × 147,416.74 - Step 4: Simplify right side
357,893.62x = 79,081,229,594.43 - Step 5: Solve for x
x = 79,081,229,594.43/357,893.62 - Step 6: Final answer
x = 220,962.95
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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.