Finding the Fourth Proportional to 156,777.30, 235,165.95 and 94,415.70
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Solution
The fourth proportional to 156,777.30, 235,165.95 and 94,415.70 is: 141,623.55
Step by Step Solution
- Step 1: Write the proportion equation
156,777.30 : 235,165.95 = 94,415.70 : x - Step 2: Convert to fraction form
156,777.30/235,165.95 = 94,415.70/x - Step 3: Cross multiply
156,777.30x = 235,165.95 × 94,415.70 - Step 4: Simplify right side
156,777.30x = 22,203,357,785.42 - Step 5: Solve for x
x = 22,203,357,785.42/156,777.30 - Step 6: Final answer
x = 141,623.55
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1.5x scale
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.