Finding the Fourth Proportional to 250,209.12, 345,296.88 and 137,038.08
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Solution
The fourth proportional to 250,209.12, 345,296.88 and 137,038.08 is: 189,117.09
Step by Step Solution
- Step 1: Write the proportion equation
250,209.12 : 345,296.88 = 137,038.08 : x - Step 2: Convert to fraction form
250,209.12/345,296.88 = 137,038.08/x - Step 3: Cross multiply
250,209.12x = 345,296.88 × 137,038.08 - Step 4: Simplify right side
250,209.12x = 47,318,821,465.19 - Step 5: Solve for x
x = 47,318,821,465.19/250,209.12 - Step 6: Final answer
x = 189,117.09
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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.