Finding the Fourth Proportional to 250,813.16, 346,132.14 and 137,639.96
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Solution
The fourth proportional to 250,813.16, 346,132.14 and 137,639.96 is: 189,948.62
Step by Step Solution
- Step 1: Write the proportion equation
250,813.16 : 346,132.14 = 137,639.96 : x - Step 2: Convert to fraction form
250,813.16/346,132.14 = 137,639.96/x - Step 3: Cross multiply
250,813.16x = 346,132.14 × 137,639.96 - Step 4: Simplify right side
250,813.16x = 47,641,613,904.31 - Step 5: Solve for x
x = 47,641,613,904.31/250,813.16 - Step 6: Final answer
x = 189,948.62
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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.