Finding the Fourth Proportional to 416,896.98, 575,328.96 and 253,497.12
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Solution
The fourth proportional to 416,896.98, 575,328.96 and 253,497.12 is: 349,832.79
Step by Step Solution
- Step 1: Write the proportion equation
416,896.98 : 575,328.96 = 253,497.12 : x - Step 2: Convert to fraction form
416,896.98/575,328.96 = 253,497.12/x - Step 3: Cross multiply
416,896.98x = 575,328.96 × 253,497.12 - Step 4: Simplify right side
416,896.98x = 145,844,234,412.60 - Step 5: Solve for x
x = 145,844,234,412.60/416,896.98 - Step 6: Final answer
x = 349,832.79
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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.