Finding the Fourth Proportional to 507,409.52, 700,225.22 and 277,974.99
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Solution
The fourth proportional to 507,409.52, 700,225.22 and 277,974.99 is: 383,605.54
Step by Step Solution
- Step 1: Write the proportion equation
507,409.52 : 700,225.22 = 277,974.99 : x - Step 2: Convert to fraction form
507,409.52/700,225.22 = 277,974.99/x - Step 3: Cross multiply
507,409.52x = 700,225.22 × 277,974.99 - Step 4: Simplify right side
507,409.52x = 194,645,099,222.19 - Step 5: Solve for x
x = 194,645,099,222.19/507,409.52 - Step 6: Final answer
x = 383,605.54
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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.