Finding the Fourth Proportional to 246,558.72, 340,259.76 and 139,122.48
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Solution
The fourth proportional to 246,558.72, 340,259.76 and 139,122.48 is: 191,993.95
Step by Step Solution
- Step 1: Write the proportion equation
246,558.72 : 340,259.76 = 139,122.48 : x - Step 2: Convert to fraction form
246,558.72/340,259.76 = 139,122.48/x - Step 3: Cross multiply
246,558.72x = 340,259.76 × 139,122.48 - Step 4: Simplify right side
246,558.72x = 47,337,781,655.40 - Step 5: Solve for x
x = 47,337,781,655.40/246,558.72 - Step 6: Final answer
x = 191,993.95
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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.