Finding the Fourth Proportional to 156,777.04, 235,245.98 and 76,813.48
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Solution
The fourth proportional to 156,777.04, 235,245.98 and 76,813.48 is: 115,259.62
Step by Step Solution
- Step 1: Write the proportion equation
156,777.04 : 235,245.98 = 76,813.48 : x - Step 2: Convert to fraction form
156,777.04/235,245.98 = 76,813.48/x - Step 3: Cross multiply
156,777.04x = 235,245.98 × 76,813.48 - Step 4: Simplify right side
156,777.04x = 18,070,062,379.81 - Step 5: Solve for x
x = 18,070,062,379.81/156,777.04 - Step 6: Final answer
x = 115,259.62
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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.