Finding the Fourth Proportional to 268,029.12, 401,518.08 and 155,472.80
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Solution
The fourth proportional to 268,029.12, 401,518.08 and 155,472.80 is: 232,904.32
Step by Step Solution
- Step 1: Write the proportion equation
268,029.12 : 401,518.08 = 155,472.80 : x - Step 2: Convert to fraction form
268,029.12/401,518.08 = 155,472.80/x - Step 3: Cross multiply
268,029.12x = 401,518.08 × 155,472.80 - Step 4: Simplify right side
268,029.12x = 62,425,140,148.22 - Step 5: Solve for x
x = 62,425,140,148.22/268,029.12 - Step 6: Final answer
x = 232,904.32
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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.