Finding the Fourth Proportional to 266,725.44, 368,079.80 and 145,864.53
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Solution
The fourth proportional to 266,725.44, 368,079.80 and 145,864.53 is: 201,292.33
Step by Step Solution
- Step 1: Write the proportion equation
266,725.44 : 368,079.80 = 145,864.53 : x - Step 2: Convert to fraction form
266,725.44/368,079.80 = 145,864.53/x - Step 3: Cross multiply
266,725.44x = 368,079.80 × 145,864.53 - Step 4: Simplify right side
266,725.44x = 53,689,786,300.17 - Step 5: Solve for x
x = 53,689,786,300.17/266,725.44 - Step 6: Final answer
x = 201,292.33
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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.