Finding the Fourth Proportional to 134,483.48, 201,849.90 and 67,970.42
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Solution
The fourth proportional to 134,483.48, 201,849.90 and 67,970.42 is: 102,018.65
Step by Step Solution
- Step 1: Write the proportion equation
134,483.48 : 201,849.90 = 67,970.42 : x - Step 2: Convert to fraction form
134,483.48/201,849.90 = 67,970.42/x - Step 3: Cross multiply
134,483.48x = 201,849.90 × 67,970.42 - Step 4: Simplify right side
134,483.48x = 13,719,822,479.96 - Step 5: Solve for x
x = 13,719,822,479.96/134,483.48 - Step 6: Final answer
x = 102,018.65
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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.