Finding the Fourth Proportional to 425,290.56, 637,935.84 and 291,766.08
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Solution
The fourth proportional to 425,290.56, 637,935.84 and 291,766.08 is: 437,649.12
Step by Step Solution
- Step 1: Write the proportion equation
425,290.56 : 637,935.84 = 291,766.08 : x - Step 2: Convert to fraction form
425,290.56/637,935.84 = 291,766.08/x - Step 3: Cross multiply
425,290.56x = 637,935.84 × 291,766.08 - Step 4: Simplify right side
425,290.56x = 186,128,039,328.31 - Step 5: Solve for x
x = 186,128,039,328.31/425,290.56 - Step 6: Final answer
x = 437,649.12
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Similar ratio
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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.