Finding the Fourth Proportional to 274,340.64, 378,598.08 and 153,479.08
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Solution
The fourth proportional to 274,340.64, 378,598.08 and 153,479.08 is: 211,805.60
Step by Step Solution
- Step 1: Write the proportion equation
274,340.64 : 378,598.08 = 153,479.08 : x - Step 2: Convert to fraction form
274,340.64/378,598.08 = 153,479.08/x - Step 3: Cross multiply
274,340.64x = 378,598.08 × 153,479.08 - Step 4: Simplify right side
274,340.64x = 58,106,885,008.17 - Step 5: Solve for x
x = 58,106,885,008.17/274,340.64 - Step 6: Final answer
x = 211,805.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.