Finding the Fourth Proportional to 476,158.34, 657,117.46 and 261,306.09
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Solution
The fourth proportional to 476,158.34, 657,117.46 and 261,306.09 is: 360,612.80
Step by Step Solution
- Step 1: Write the proportion equation
476,158.34 : 657,117.46 = 261,306.09 : x - Step 2: Convert to fraction form
476,158.34/657,117.46 = 261,306.09/x - Step 3: Cross multiply
476,158.34x = 657,117.46 × 261,306.09 - Step 4: Simplify right side
476,158.34x = 171,708,791,768.02 - Step 5: Solve for x
x = 171,708,791,768.02/476,158.34 - Step 6: Final answer
x = 360,612.80
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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.