Finding the Fourth Proportional to 383,125.50, 528,197.85 and 268,249.62
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Solution
The fourth proportional to 383,125.50, 528,197.85 and 268,249.62 is: 369,823.65
Step by Step Solution
- Step 1: Write the proportion equation
383,125.50 : 528,197.85 = 268,249.62 : x - Step 2: Convert to fraction form
383,125.50/528,197.85 = 268,249.62/x - Step 3: Cross multiply
383,125.50x = 528,197.85 × 268,249.62 - Step 4: Simplify right side
383,125.50x = 141,688,872,547.32 - Step 5: Solve for x
x = 141,688,872,547.32/383,125.50 - Step 6: Final answer
x = 369,823.65
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1.5x scale
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.