Finding the Fourth Proportional to 247,202.48, 341,129.95 and 139,774.76
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Solution
The fourth proportional to 247,202.48, 341,129.95 and 139,774.76 is: 192,883.81
Step by Step Solution
- Step 1: Write the proportion equation
247,202.48 : 341,129.95 = 139,774.76 : x - Step 2: Convert to fraction form
247,202.48/341,129.95 = 139,774.76/x - Step 3: Cross multiply
247,202.48x = 341,129.95 × 139,774.76 - Step 4: Simplify right side
247,202.48x = 47,681,354,485.54 - Step 5: Solve for x
x = 47,681,354,485.54/247,202.48 - Step 6: Final answer
x = 192,883.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.