Finding the Fourth Proportional to 249,365.28, 344,125.35 and 136,188.03
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Solution
The fourth proportional to 249,365.28, 344,125.35 and 136,188.03 is: 187,940.17
Step by Step Solution
- Step 1: Write the proportion equation
249,365.28 : 344,125.35 = 136,188.03 : x - Step 2: Convert to fraction form
249,365.28/344,125.35 = 136,188.03/x - Step 3: Cross multiply
249,365.28x = 344,125.35 × 136,188.03 - Step 4: Simplify right side
249,365.28x = 46,865,753,489.56 - Step 5: Solve for x
x = 46,865,753,489.56/249,365.28 - Step 6: Final answer
x = 187,940.17
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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.