Finding the Fourth Proportional to 249,498.52, 344,303.94 and 136,318.84
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Solution
The fourth proportional to 249,498.52, 344,303.94 and 136,318.84 is: 188,117.80
Step by Step Solution
- Step 1: Write the proportion equation
249,498.52 : 344,303.94 = 136,318.84 : x - Step 2: Convert to fraction form
249,498.52/344,303.94 = 136,318.84/x - Step 3: Cross multiply
249,498.52x = 344,303.94 × 136,318.84 - Step 4: Simplify right side
249,498.52x = 46,935,113,708.23 - Step 5: Solve for x
x = 46,935,113,708.23/249,498.52 - Step 6: Final answer
x = 188,117.80
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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.