Finding the Fourth Proportional to 102,312.24, 153,487.80 and 32,211.60
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Solution
The fourth proportional to 102,312.24, 153,487.80 and 32,211.60 is: 48,323.52
Step by Step Solution
- Step 1: Write the proportion equation
102,312.24 : 153,487.80 = 32,211.60 : x - Step 2: Convert to fraction form
102,312.24/153,487.80 = 32,211.60/x - Step 3: Cross multiply
102,312.24x = 153,487.80 × 32,211.60 - Step 4: Simplify right side
102,312.24x = 4,944,087,618.48 - Step 5: Solve for x
x = 4,944,087,618.48/102,312.24 - Step 6: Final answer
x = 48,323.52
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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.