Finding the Fourth Proportional to 375,113.12, 561,461.50 and 247,135.08
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Solution
The fourth proportional to 375,113.12, 561,461.50 and 247,135.08 is: 369,906.64
Step by Step Solution
- Step 1: Write the proportion equation
375,113.12 : 561,461.50 = 247,135.08 : x - Step 2: Convert to fraction form
375,113.12/561,461.50 = 247,135.08/x - Step 3: Cross multiply
375,113.12x = 561,461.50 × 247,135.08 - Step 4: Simplify right side
375,113.12x = 138,756,832,719.42 - Step 5: Solve for x
x = 138,756,832,719.42/375,113.12 - Step 6: Final answer
x = 369,906.64
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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.