Finding the Fourth Proportional to 552,738.66, 829,107.99 and 153,379.55
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Solution
The fourth proportional to 552,738.66, 829,107.99 and 153,379.55 is: 230,069.33
Step by Step Solution
- Step 1: Write the proportion equation
552,738.66 : 829,107.99 = 153,379.55 : x - Step 2: Convert to fraction form
552,738.66/829,107.99 = 153,379.55/x - Step 3: Cross multiply
552,738.66x = 829,107.99 × 153,379.55 - Step 4: Simplify right side
552,738.66x = 127,168,210,407.61 - Step 5: Solve for x
x = 127,168,210,407.61/552,738.66 - Step 6: Final answer
x = 230,069.33
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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.