Finding the Fourth Proportional to 168,753.70, 253,130.55 and 164,865.70
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Solution
The fourth proportional to 168,753.70, 253,130.55 and 164,865.70 is: 247,298.55
Step by Step Solution
- Step 1: Write the proportion equation
168,753.70 : 253,130.55 = 164,865.70 : x - Step 2: Convert to fraction form
168,753.70/253,130.55 = 164,865.70/x - Step 3: Cross multiply
168,753.70x = 253,130.55 × 164,865.70 - Step 4: Simplify right side
168,753.70x = 41,732,545,317.14 - Step 5: Solve for x
x = 41,732,545,317.14/168,753.70 - Step 6: Final answer
x = 247,298.55
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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.