Finding the Fourth Proportional to 510,223.18, 765,445.49 and 155,227.98
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Solution
The fourth proportional to 510,223.18, 765,445.49 and 155,227.98 is: 232,875.65
Step by Step Solution
- Step 1: Write the proportion equation
510,223.18 : 765,445.49 = 155,227.98 : x - Step 2: Convert to fraction form
510,223.18/765,445.49 = 155,227.98/x - Step 3: Cross multiply
510,223.18x = 765,445.49 × 155,227.98 - Step 4: Simplify right side
510,223.18x = 118,818,557,212.81 - Step 5: Solve for x
x = 118,818,557,212.81/510,223.18 - Step 6: Final answer
x = 232,875.65
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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.