Finding the Fourth Proportional to 399,347.21, 598,503.76 and 162,414.65
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Solution
The fourth proportional to 399,347.21, 598,503.76 and 162,414.65 is: 243,411.68
Step by Step Solution
- Step 1: Write the proportion equation
399,347.21 : 598,503.76 = 162,414.65 : x - Step 2: Convert to fraction form
399,347.21/598,503.76 = 162,414.65/x - Step 3: Cross multiply
399,347.21x = 598,503.76 × 162,414.65 - Step 4: Simplify right side
399,347.21x = 97,205,775,305.53 - Step 5: Solve for x
x = 97,205,775,305.53/399,347.21 - Step 6: Final answer
x = 243,411.68
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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.