Finding the Fourth Proportional to 409,497.40, 614,246.10 and 267,779.80
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Solution
The fourth proportional to 409,497.40, 614,246.10 and 267,779.80 is: 401,669.70
Step by Step Solution
- Step 1: Write the proportion equation
409,497.40 : 614,246.10 = 267,779.80 : x - Step 2: Convert to fraction form
409,497.40/614,246.10 = 267,779.80/x - Step 3: Cross multiply
409,497.40x = 614,246.10 × 267,779.80 - Step 4: Simplify right side
409,497.40x = 164,482,697,808.78 - Step 5: Solve for x
x = 164,482,697,808.78/409,497.40 - Step 6: Final answer
x = 401,669.70
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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.