Finding the Fourth Proportional to 383,332.70, 528,640.33 and 302,952.26
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Solution
The fourth proportional to 383,332.70, 528,640.33 and 302,952.26 is: 417,790.55
Step by Step Solution
- Step 1: Write the proportion equation
383,332.70 : 528,640.33 = 302,952.26 : x - Step 2: Convert to fraction form
383,332.70/528,640.33 = 302,952.26/x - Step 3: Cross multiply
383,332.70x = 528,640.33 × 302,952.26 - Step 4: Simplify right side
383,332.70x = 160,152,778,542.68 - Step 5: Solve for x
x = 160,152,778,542.68/383,332.70 - Step 6: Final answer
x = 417,790.55
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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.