Finding the Fourth Proportional to 507,411.16, 700,197.36 and 277,922.68
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Solution
The fourth proportional to 507,411.16, 700,197.36 and 277,922.68 is: 383,516.84
Step by Step Solution
- Step 1: Write the proportion equation
507,411.16 : 700,197.36 = 277,922.68 : x - Step 2: Convert to fraction form
507,411.16/700,197.36 = 277,922.68/x - Step 3: Cross multiply
507,411.16x = 700,197.36 × 277,922.68 - Step 4: Simplify right side
507,411.16x = 194,600,726,820.13 - Step 5: Solve for x
x = 194,600,726,820.13/507,411.16 - Step 6: Final answer
x = 383,516.84
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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.