Finding the Fourth Proportional to 342,302.12, 513,584.70 and 142,569.08
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Solution
The fourth proportional to 342,302.12, 513,584.70 and 142,569.08 is: 213,908.40
Step by Step Solution
- Step 1: Write the proportion equation
342,302.12 : 513,584.70 = 142,569.08 : x - Step 2: Convert to fraction form
342,302.12/513,584.70 = 142,569.08/x - Step 3: Cross multiply
342,302.12x = 513,584.70 × 142,569.08 - Step 4: Simplify right side
342,302.12x = 73,221,298,181.08 - Step 5: Solve for x
x = 73,221,298,181.08/342,302.12 - Step 6: Final answer
x = 213,908.40
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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.