Finding the Fourth Proportional to 369,343.42, 553,895.19 and 141,627.07
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Solution
The fourth proportional to 369,343.42, 553,895.19 and 141,627.07 is: 212,394.61
Step by Step Solution
- Step 1: Write the proportion equation
369,343.42 : 553,895.19 = 141,627.07 : x - Step 2: Convert to fraction form
369,343.42/553,895.19 = 141,627.07/x - Step 3: Cross multiply
369,343.42x = 553,895.19 × 141,627.07 - Step 4: Simplify right side
369,343.42x = 78,446,550,507.31 - Step 5: Solve for x
x = 78,446,550,507.31/369,343.42 - Step 6: Final answer
x = 212,394.61
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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.