Finding the Fourth Proportional to 249,645.20, 344,510.36 and 136,467.95
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Solution
The fourth proportional to 249,645.20, 344,510.36 and 136,467.95 is: 188,325.76
Step by Step Solution
- Step 1: Write the proportion equation
249,645.20 : 344,510.36 = 136,467.95 : x - Step 2: Convert to fraction form
249,645.20/344,510.36 = 136,467.95/x - Step 3: Cross multiply
249,645.20x = 344,510.36 × 136,467.95 - Step 4: Simplify right side
249,645.20x = 47,014,620,178.07 - Step 5: Solve for x
x = 47,014,620,178.07/249,645.20 - Step 6: Final answer
x = 188,325.76
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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.