Finding the Fourth Proportional to 307,717.77, 424,671.93 and 171,778.26
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Solution
The fourth proportional to 307,717.77, 424,671.93 and 171,778.26 is: 237,065.95
Step by Step Solution
- Step 1: Write the proportion equation
307,717.77 : 424,671.93 = 171,778.26 : x - Step 2: Convert to fraction form
307,717.77/424,671.93 = 171,778.26/x - Step 3: Cross multiply
307,717.77x = 424,671.93 × 171,778.26 - Step 4: Simplify right side
307,717.77x = 72,949,405,206.24 - Step 5: Solve for x
x = 72,949,405,206.24/307,717.77 - Step 6: Final answer
x = 237,065.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.