Finding the Fourth Proportional to 260,304.13, 359,246.20 and 158,336.62
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Solution
The fourth proportional to 260,304.13, 359,246.20 and 158,336.62 is: 218,520.66
Step by Step Solution
- Step 1: Write the proportion equation
260,304.13 : 359,246.20 = 158,336.62 : x - Step 2: Convert to fraction form
260,304.13/359,246.20 = 158,336.62/x - Step 3: Cross multiply
260,304.13x = 359,246.20 × 158,336.62 - Step 4: Simplify right side
260,304.13x = 56,881,829,055.84 - Step 5: Solve for x
x = 56,881,829,055.84/260,304.13 - Step 6: Final answer
x = 218,520.66
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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.