Finding the Fourth Proportional to 165,324.60, 247,330.80 and 143,381.70
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Solution
The fourth proportional to 165,324.60, 247,330.80 and 143,381.70 is: 214,503.53
Step by Step Solution
- Step 1: Write the proportion equation
165,324.60 : 247,330.80 = 143,381.70 : x - Step 2: Convert to fraction form
165,324.60/247,330.80 = 143,381.70/x - Step 3: Cross multiply
165,324.60x = 247,330.80 × 143,381.70 - Step 4: Simplify right side
165,324.60x = 35,462,710,566.36 - Step 5: Solve for x
x = 35,462,710,566.36/165,324.60 - Step 6: Final answer
x = 214,503.53
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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.