Finding the Fourth Proportional to 497,167.84, 686,088.12 and 270,813.34
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Solution
The fourth proportional to 497,167.84, 686,088.12 and 270,813.34 is: 373,720.50
Step by Step Solution
- Step 1: Write the proportion equation
497,167.84 : 686,088.12 = 270,813.34 : x - Step 2: Convert to fraction form
497,167.84/686,088.12 = 270,813.34/x - Step 3: Cross multiply
497,167.84x = 686,088.12 × 270,813.34 - Step 4: Simplify right side
497,167.84x = 185,801,815,311.52 - Step 5: Solve for x
x = 185,801,815,311.52/497,167.84 - Step 6: Final answer
x = 373,720.50
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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.