Finding the Fourth Proportional to 370,128.93, 555,398.70 and 180,590.88
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Solution
The fourth proportional to 370,128.93, 555,398.70 and 180,590.88 is: 270,986.49
Step by Step Solution
- Step 1: Write the proportion equation
370,128.93 : 555,398.70 = 180,590.88 : x - Step 2: Convert to fraction form
370,128.93/555,398.70 = 180,590.88/x - Step 3: Cross multiply
370,128.93x = 555,398.70 × 180,590.88 - Step 4: Simplify right side
370,128.93x = 100,299,939,983.86 - Step 5: Solve for x
x = 100,299,939,983.86/370,128.93 - Step 6: Final answer
x = 270,986.49
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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.