Finding the Fourth Proportional to 250,916.22, 346,330.76 and 155,368.62
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Solution
The fourth proportional to 250,916.22, 346,330.76 and 155,368.62 is: 214,449.79
Step by Step Solution
- Step 1: Write the proportion equation
250,916.22 : 346,330.76 = 155,368.62 : x - Step 2: Convert to fraction form
250,916.22/346,330.76 = 155,368.62/x - Step 3: Cross multiply
250,916.22x = 346,330.76 × 155,368.62 - Step 4: Simplify right side
250,916.22x = 53,808,931,467.91 - Step 5: Solve for x
x = 53,808,931,467.91/250,916.22 - Step 6: Final answer
x = 214,449.79
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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.