Finding the Fourth Proportional to 272,948.08, 409,652.16 and 115,289.68
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Solution
The fourth proportional to 272,948.08, 409,652.16 and 115,289.68 is: 173,031.69
Step by Step Solution
- Step 1: Write the proportion equation
272,948.08 : 409,652.16 = 115,289.68 : x - Step 2: Convert to fraction form
272,948.08/409,652.16 = 115,289.68/x - Step 3: Cross multiply
272,948.08x = 409,652.16 × 115,289.68 - Step 4: Simplify right side
272,948.08x = 47,228,666,437.71 - Step 5: Solve for x
x = 47,228,666,437.71/272,948.08 - Step 6: Final answer
x = 173,031.69
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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.