Finding the Fourth Proportional to 516,985.35, 775,478.30 and 162,027.02
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Solution
The fourth proportional to 516,985.35, 775,478.30 and 162,027.02 is: 243,040.61
Step by Step Solution
- Step 1: Write the proportion equation
516,985.35 : 775,478.30 = 162,027.02 : x - Step 2: Convert to fraction form
516,985.35/775,478.30 = 162,027.02/x - Step 3: Cross multiply
516,985.35x = 775,478.30 × 162,027.02 - Step 4: Simplify right side
516,985.35x = 125,648,433,336.14 - Step 5: Solve for x
x = 125,648,433,336.14/516,985.35 - Step 6: Final answer
x = 243,040.61
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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.