Finding the Fourth Proportional to 370,011.19, 555,104.53 and 120,693.19
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Solution
The fourth proportional to 370,011.19, 555,104.53 and 120,693.19 is: 181,068.41
Step by Step Solution
- Step 1: Write the proportion equation
370,011.19 : 555,104.53 = 120,693.19 : x - Step 2: Convert to fraction form
370,011.19/555,104.53 = 120,693.19/x - Step 3: Cross multiply
370,011.19x = 555,104.53 × 120,693.19 - Step 4: Simplify right side
370,011.19x = 66,997,336,509.15 - Step 5: Solve for x
x = 66,997,336,509.15/370,011.19 - Step 6: Final answer
x = 181,068.41
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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.