Finding the Fourth Proportional to 617,501.40, 926,252.10 and 243,475.80
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Solution
The fourth proportional to 617,501.40, 926,252.10 and 243,475.80 is: 365,213.70
Step by Step Solution
- Step 1: Write the proportion equation
617,501.40 : 926,252.10 = 243,475.80 : x - Step 2: Convert to fraction form
617,501.40/926,252.10 = 243,475.80/x - Step 3: Cross multiply
617,501.40x = 926,252.10 × 243,475.80 - Step 4: Simplify right side
617,501.40x = 225,519,971,049.18 - Step 5: Solve for x
x = 225,519,971,049.18/617,501.40 - Step 6: Final answer
x = 365,213.70
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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.