Finding the Fourth Proportional to 316,727.46, 474,430.14 and 189,965.70
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Solution
The fourth proportional to 316,727.46, 474,430.14 and 189,965.70 is: 284,552.07
Step by Step Solution
- Step 1: Write the proportion equation
316,727.46 : 474,430.14 = 189,965.70 : x - Step 2: Convert to fraction form
316,727.46/474,430.14 = 189,965.70/x - Step 3: Cross multiply
316,727.46x = 474,430.14 × 189,965.70 - Step 4: Simplify right side
316,727.46x = 90,125,453,646.20 - Step 5: Solve for x
x = 90,125,453,646.20/316,727.46 - Step 6: Final answer
x = 284,552.07
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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.