Finding the Fourth Proportional to 577,782.48, 866,671.20 and 157,057.14
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Solution
The fourth proportional to 577,782.48, 866,671.20 and 157,057.14 is: 235,585.02
Step by Step Solution
- Step 1: Write the proportion equation
577,782.48 : 866,671.20 = 157,057.14 : x - Step 2: Convert to fraction form
577,782.48/866,671.20 = 157,057.14/x - Step 3: Cross multiply
577,782.48x = 866,671.20 × 157,057.14 - Step 4: Simplify right side
577,782.48x = 136,116,899,992.37 - Step 5: Solve for x
x = 136,116,899,992.37/577,782.48 - Step 6: Final answer
x = 235,585.02
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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.