Finding the Fourth Proportional to 243,132.48, 335,541.84 and 135,718.65
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Solution
The fourth proportional to 243,132.48, 335,541.84 and 135,718.65 is: 187,302.35
Step by Step Solution
- Step 1: Write the proportion equation
243,132.48 : 335,541.84 = 135,718.65 : x - Step 2: Convert to fraction form
243,132.48/335,541.84 = 135,718.65/x - Step 3: Cross multiply
243,132.48x = 335,541.84 × 135,718.65 - Step 4: Simplify right side
243,132.48x = 45,539,285,543.32 - Step 5: Solve for x
x = 45,539,285,543.32/243,132.48 - Step 6: Final answer
x = 187,302.35
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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.