Finding the Fourth Proportional to 348,155.40, 521,875.62 and 198,076.08
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Solution
The fourth proportional to 348,155.40, 521,875.62 and 198,076.08 is: 296,910.74
Step by Step Solution
- Step 1: Write the proportion equation
348,155.40 : 521,875.62 = 198,076.08 : x - Step 2: Convert to fraction form
348,155.40/521,875.62 = 198,076.08/x - Step 3: Cross multiply
348,155.40x = 521,875.62 × 198,076.08 - Step 4: Simplify right side
348,155.40x = 103,371,077,057.17 - Step 5: Solve for x
x = 103,371,077,057.17/348,155.40 - Step 6: Final answer
x = 296,910.74
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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.