Finding the Fourth Proportional to 180,603.28, 249,260.52 and 103,078.99
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Solution
The fourth proportional to 180,603.28, 249,260.52 and 103,078.99 is: 142,264.98
Step by Step Solution
- Step 1: Write the proportion equation
180,603.28 : 249,260.52 = 103,078.99 : x - Step 2: Convert to fraction form
180,603.28/249,260.52 = 103,078.99/x - Step 3: Cross multiply
180,603.28x = 249,260.52 × 103,078.99 - Step 4: Simplify right side
180,603.28x = 25,693,522,648.47 - Step 5: Solve for x
x = 25,693,522,648.47/180,603.28 - Step 6: Final answer
x = 142,264.98
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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.