Finding the Fourth Proportional to 610,772.04, 916,158.06 and 189,964.08
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Solution
The fourth proportional to 610,772.04, 916,158.06 and 189,964.08 is: 284,946.12
Step by Step Solution
- Step 1: Write the proportion equation
610,772.04 : 916,158.06 = 189,964.08 : x - Step 2: Convert to fraction form
610,772.04/916,158.06 = 189,964.08/x - Step 3: Cross multiply
610,772.04x = 916,158.06 × 189,964.08 - Step 4: Simplify right side
610,772.04x = 174,037,123,002.49 - Step 5: Solve for x
x = 174,037,123,002.49/610,772.04 - Step 6: Final answer
x = 284,946.12
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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.