Finding the Fourth Proportional to 260,102.88, 358,957.44 and 145,387.44
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Solution
The fourth proportional to 260,102.88, 358,957.44 and 145,387.44 is: 200,643.31
Step by Step Solution
- Step 1: Write the proportion equation
260,102.88 : 358,957.44 = 145,387.44 : x - Step 2: Convert to fraction form
260,102.88/358,957.44 = 145,387.44/x - Step 3: Cross multiply
260,102.88x = 358,957.44 × 145,387.44 - Step 4: Simplify right side
260,102.88x = 52,187,903,270.55 - Step 5: Solve for x
x = 52,187,903,270.55/260,102.88 - Step 6: Final answer
x = 200,643.31
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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.