Finding the Fourth Proportional to 291,518.76, 401,448.84 and 253,260.84
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Solution
The fourth proportional to 291,518.76, 401,448.84 and 253,260.84 is: 348,764.07
Step by Step Solution
- Step 1: Write the proportion equation
291,518.76 : 401,448.84 = 253,260.84 : x - Step 2: Convert to fraction form
291,518.76/401,448.84 = 253,260.84/x - Step 3: Cross multiply
291,518.76x = 401,448.84 × 253,260.84 - Step 4: Simplify right side
291,518.76x = 101,671,270,435.43 - Step 5: Solve for x
x = 101,671,270,435.43/291,518.76 - Step 6: Final answer
x = 348,764.07
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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.