Finding the Fourth Proportional to 260,338.06, 390,555.96 and 118,193.31
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Solution
The fourth proportional to 260,338.06, 390,555.96 and 118,193.31 is: 177,312.15
Step by Step Solution
- Step 1: Write the proportion equation
260,338.06 : 390,555.96 = 118,193.31 : x - Step 2: Convert to fraction form
260,338.06/390,555.96 = 118,193.31/x - Step 3: Cross multiply
260,338.06x = 390,555.96 × 118,193.31 - Step 4: Simplify right side
260,338.06x = 46,161,101,652.63 - Step 5: Solve for x
x = 46,161,101,652.63/260,338.06 - Step 6: Final answer
x = 177,312.15
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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.