Finding the Fourth Proportional to 516,876.08, 775,328.70 and 142,899.08
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Solution
The fourth proportional to 516,876.08, 775,328.70 and 142,899.08 is: 214,352.65
Step by Step Solution
- Step 1: Write the proportion equation
516,876.08 : 775,328.70 = 142,899.08 : x - Step 2: Convert to fraction form
516,876.08/775,328.70 = 142,899.08/x - Step 3: Cross multiply
516,876.08x = 775,328.70 × 142,899.08 - Step 4: Simplify right side
516,876.08x = 110,793,757,927.60 - Step 5: Solve for x
x = 110,793,757,927.60/516,876.08 - Step 6: Final answer
x = 214,352.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.