Finding the Fourth Proportional to 180,894.51, 249,649.76 and 100,347.99
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Solution
The fourth proportional to 180,894.51, 249,649.76 and 100,347.99 is: 138,488.73
Step by Step Solution
- Step 1: Write the proportion equation
180,894.51 : 249,649.76 = 100,347.99 : x - Step 2: Convert to fraction form
180,894.51/249,649.76 = 100,347.99/x - Step 3: Cross multiply
180,894.51x = 249,649.76 × 100,347.99 - Step 4: Simplify right side
180,894.51x = 25,051,850,558.36 - Step 5: Solve for x
x = 25,051,850,558.36/180,894.51 - Step 6: Final answer
x = 138,488.73
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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.