Finding the Fourth Proportional to 356,987.04, 535,140.36 and 120,207.84
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Solution
The fourth proportional to 356,987.04, 535,140.36 and 120,207.84 is: 180,197.20
Step by Step Solution
- Step 1: Write the proportion equation
356,987.04 : 535,140.36 = 120,207.84 : x - Step 2: Convert to fraction form
356,987.04/535,140.36 = 120,207.84/x - Step 3: Cross multiply
356,987.04x = 535,140.36 × 120,207.84 - Step 4: Simplify right side
356,987.04x = 64,328,066,772.42 - Step 5: Solve for x
x = 64,328,066,772.42/356,987.04 - Step 6: Final answer
x = 180,197.20
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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.