Finding the Fourth Proportional to 426,079.24, 587,987.08 and 232,486.88
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Solution
The fourth proportional to 426,079.24, 587,987.08 and 232,486.88 is: 320,830.66
Step by Step Solution
- Step 1: Write the proportion equation
426,079.24 : 587,987.08 = 232,486.88 : x - Step 2: Convert to fraction form
426,079.24/587,987.08 = 232,486.88/x - Step 3: Cross multiply
426,079.24x = 587,987.08 × 232,486.88 - Step 4: Simplify right side
426,079.24x = 136,699,281,709.51 - Step 5: Solve for x
x = 136,699,281,709.51/426,079.24 - Step 6: Final answer
x = 320,830.66
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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.