Finding the Fourth Proportional to 370,697.12, 555,936.68 and 157,463.34
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Solution
The fourth proportional to 370,697.12, 555,936.68 and 157,463.34 is: 236,148.70
Step by Step Solution
- Step 1: Write the proportion equation
370,697.12 : 555,936.68 = 157,463.34 : x - Step 2: Convert to fraction form
370,697.12/555,936.68 = 157,463.34/x - Step 3: Cross multiply
370,697.12x = 555,936.68 × 157,463.34 - Step 4: Simplify right side
370,697.12x = 87,539,643,681.63 - Step 5: Solve for x
x = 87,539,643,681.63/370,697.12 - Step 6: Final answer
x = 236,148.70
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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.