Finding the Fourth Proportional to 249,875.24, 344,835.95 and 136,697.99
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Solution
The fourth proportional to 249,875.24, 344,835.95 and 136,697.99 is: 188,647.66
Step by Step Solution
- Step 1: Write the proportion equation
249,875.24 : 344,835.95 = 136,697.99 : x - Step 2: Convert to fraction form
249,875.24/344,835.95 = 136,697.99/x - Step 3: Cross multiply
249,875.24x = 344,835.95 × 136,697.99 - Step 4: Simplify right side
249,875.24x = 47,138,378,837.07 - Step 5: Solve for x
x = 47,138,378,837.07/249,875.24 - Step 6: Final answer
x = 188,647.66
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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.