Finding the Fourth Proportional to 362,187.36, 542,948.40 and 125,364.42
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Solution
The fourth proportional to 362,187.36, 542,948.40 and 125,364.42 is: 187,931.49
Step by Step Solution
- Step 1: Write the proportion equation
362,187.36 : 542,948.40 = 125,364.42 : x - Step 2: Convert to fraction form
362,187.36/542,948.40 = 125,364.42/x - Step 3: Cross multiply
362,187.36x = 542,948.40 × 125,364.42 - Step 4: Simplify right side
362,187.36x = 68,066,411,255.93 - Step 5: Solve for x
x = 68,066,411,255.93/362,187.36 - Step 6: Final answer
x = 187,931.49
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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.