Finding the Fourth Proportional to 97,221.60, 145,864.80 and 47,332.80
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Solution
The fourth proportional to 97,221.60, 145,864.80 and 47,332.80 is: 71,014.97
Step by Step Solution
- Step 1: Write the proportion equation
97,221.60 : 145,864.80 = 47,332.80 : x - Step 2: Convert to fraction form
97,221.60/145,864.80 = 47,332.80/x - Step 3: Cross multiply
97,221.60x = 145,864.80 × 47,332.80 - Step 4: Simplify right side
97,221.60x = 6,904,189,405.44 - Step 5: Solve for x
x = 6,904,189,405.44/97,221.60 - Step 6: Final answer
x = 71,014.97
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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.