Finding the Fourth Proportional to 180,641.19, 249,261.21 and 104,163.15
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Solution
The fourth proportional to 180,641.19, 249,261.21 and 104,163.15 is: 143,731.52
Step by Step Solution
- Step 1: Write the proportion equation
180,641.19 : 249,261.21 = 104,163.15 : x - Step 2: Convert to fraction form
180,641.19/249,261.21 = 104,163.15/x - Step 3: Cross multiply
180,641.19x = 249,261.21 × 104,163.15 - Step 4: Simplify right side
180,641.19x = 25,963,832,806.41 - Step 5: Solve for x
x = 25,963,832,806.41/180,641.19 - Step 6: Final answer
x = 143,731.52
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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.