Finding the Fourth Proportional to 157,781.08, 236,671.58 and 39,452.41
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Solution
The fourth proportional to 157,781.08, 236,671.58 and 39,452.41 is: 59,178.61
Step by Step Solution
- Step 1: Write the proportion equation
157,781.08 : 236,671.58 = 39,452.41 : x - Step 2: Convert to fraction form
157,781.08/236,671.58 = 39,452.41/x - Step 3: Cross multiply
157,781.08x = 236,671.58 × 39,452.41 - Step 4: Simplify right side
157,781.08x = 9,337,264,603.98 - Step 5: Solve for x
x = 9,337,264,603.98/157,781.08 - Step 6: Final answer
x = 59,178.61
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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.