Finding the Fourth Proportional to 293,454.09, 438,887.36 and 255,461.85
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Solution
The fourth proportional to 293,454.09, 438,887.36 and 255,461.85 is: 382,066.50
Step by Step Solution
- Step 1: Write the proportion equation
293,454.09 : 438,887.36 = 255,461.85 : x - Step 2: Convert to fraction form
293,454.09/438,887.36 = 255,461.85/x - Step 3: Cross multiply
293,454.09x = 438,887.36 × 255,461.85 - Step 4: Simplify right side
293,454.09x = 112,118,977,565.87 - Step 5: Solve for x
x = 112,118,977,565.87/293,454.09 - Step 6: Final answer
x = 382,066.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.