Finding the Fourth Proportional to 347,069.75, 520,646.75 and 97,751.75
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Solution
The fourth proportional to 347,069.75, 520,646.75 and 97,751.75 is: 146,639.48
Step by Step Solution
- Step 1: Write the proportion equation
347,069.75 : 520,646.75 = 97,751.75 : x - Step 2: Convert to fraction form
347,069.75/520,646.75 = 97,751.75/x - Step 3: Cross multiply
347,069.75x = 520,646.75 × 97,751.75 - Step 4: Simplify right side
347,069.75x = 50,894,127,852.32 - Step 5: Solve for x
x = 50,894,127,852.32/347,069.75 - Step 6: Final answer
x = 146,639.48
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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.