Finding the Fourth Proportional to 293,393.84, 440,382.36 and 135,657.68
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Solution
The fourth proportional to 293,393.84, 440,382.36 and 135,657.68 is: 203,621.35
Step by Step Solution
- Step 1: Write the proportion equation
293,393.84 : 440,382.36 = 135,657.68 : x - Step 2: Convert to fraction form
293,393.84/440,382.36 = 135,657.68/x - Step 3: Cross multiply
293,393.84x = 440,382.36 × 135,657.68 - Step 4: Simplify right side
293,393.84x = 59,741,249,270.52 - Step 5: Solve for x
x = 59,741,249,270.52/293,393.84 - Step 6: Final answer
x = 203,621.35
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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.