Finding the Fourth Proportional to 250,781.18, 346,077.99 and 143,353.53
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Solution
The fourth proportional to 250,781.18, 346,077.99 and 143,353.53 is: 197,827.85
Step by Step Solution
- Step 1: Write the proportion equation
250,781.18 : 346,077.99 = 143,353.53 : x - Step 2: Convert to fraction form
250,781.18/346,077.99 = 143,353.53/x - Step 3: Cross multiply
250,781.18x = 346,077.99 × 143,353.53 - Step 4: Simplify right side
250,781.18x = 49,611,501,521.80 - Step 5: Solve for x
x = 49,611,501,521.80/250,781.18 - Step 6: Final answer
x = 197,827.85
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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.