Finding the Fourth Proportional to 260,528.99, 359,415.86 and 153,050.54
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Solution
The fourth proportional to 260,528.99, 359,415.86 and 153,050.54 is: 211,142.68
Step by Step Solution
- Step 1: Write the proportion equation
260,528.99 : 359,415.86 = 153,050.54 : x - Step 2: Convert to fraction form
260,528.99/359,415.86 = 153,050.54/x - Step 3: Cross multiply
260,528.99x = 359,415.86 × 153,050.54 - Step 4: Simplify right side
260,528.99x = 55,008,788,895.23 - Step 5: Solve for x
x = 55,008,788,895.23/260,528.99 - Step 6: Final answer
x = 211,142.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.