Finding the Fourth Proportional to 180,639.90, 249,232.14 and 104,152.98
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Solution
The fourth proportional to 180,639.90, 249,232.14 and 104,152.98 is: 143,701.75
Step by Step Solution
- Step 1: Write the proportion equation
180,639.90 : 249,232.14 = 104,152.98 : x - Step 2: Convert to fraction form
180,639.90/249,232.14 = 104,152.98/x - Step 3: Cross multiply
180,639.90x = 249,232.14 × 104,152.98 - Step 4: Simplify right side
180,639.90x = 25,958,270,092.78 - Step 5: Solve for x
x = 25,958,270,092.78/180,639.90 - Step 6: Final answer
x = 143,701.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.