Finding the Fourth Proportional to 249,795.18, 344,708.81 and 142,399.80
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Solution
The fourth proportional to 249,795.18, 344,708.81 and 142,399.80 is: 196,506.85
Step by Step Solution
- Step 1: Write the proportion equation
249,795.18 : 344,708.81 = 142,399.80 : x - Step 2: Convert to fraction form
249,795.18/344,708.81 = 142,399.80/x - Step 3: Cross multiply
249,795.18x = 344,708.81 × 142,399.80 - Step 4: Simplify right side
249,795.18x = 49,086,464,890.24 - Step 5: Solve for x
x = 49,086,464,890.24/249,795.18 - Step 6: Final answer
x = 196,506.85
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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.