Finding the Fourth Proportional to 153,338.32, 230,006.96 and 48,165.12
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Solution
The fourth proportional to 153,338.32, 230,006.96 and 48,165.12 is: 72,247.52
Step by Step Solution
- Step 1: Write the proportion equation
153,338.32 : 230,006.96 = 48,165.12 : x - Step 2: Convert to fraction form
153,338.32/230,006.96 = 48,165.12/x - Step 3: Cross multiply
153,338.32x = 230,006.96 × 48,165.12 - Step 4: Simplify right side
153,338.32x = 11,078,312,829.24 - Step 5: Solve for x
x = 11,078,312,829.24/153,338.32 - Step 6: Final answer
x = 72,247.52
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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.