Finding the Fourth Proportional to 581,687.80, 872,531.70 and 249,911.80
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Solution
The fourth proportional to 581,687.80, 872,531.70 and 249,911.80 is: 374,867.70
Step by Step Solution
- Step 1: Write the proportion equation
581,687.80 : 872,531.70 = 249,911.80 : x - Step 2: Convert to fraction form
581,687.80/872,531.70 = 249,911.80/x - Step 3: Cross multiply
581,687.80x = 872,531.70 × 249,911.80 - Step 4: Simplify right side
581,687.80x = 218,055,967,704.06 - Step 5: Solve for x
x = 218,055,967,704.06/581,687.80 - Step 6: Final answer
x = 374,867.70
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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.