Finding the Fourth Proportional to 508,473.05, 762,715.04 and 153,490.14
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Solution
The fourth proportional to 508,473.05, 762,715.04 and 153,490.14 is: 230,236.86
Step by Step Solution
- Step 1: Write the proportion equation
508,473.05 : 762,715.04 = 153,490.14 : x - Step 2: Convert to fraction form
508,473.05/762,715.04 = 153,490.14/x - Step 3: Cross multiply
508,473.05x = 762,715.04 × 153,490.14 - Step 4: Simplify right side
508,473.05x = 117,069,237,502.26 - Step 5: Solve for x
x = 117,069,237,502.26/508,473.05 - Step 6: Final answer
x = 230,236.86
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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.