Finding the Fourth Proportional to 249,206.32, 343,904.62 and 136,029.07
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Solution
The fourth proportional to 249,206.32, 343,904.62 and 136,029.07 is: 187,720.06
Step by Step Solution
- Step 1: Write the proportion equation
249,206.32 : 343,904.62 = 136,029.07 : x - Step 2: Convert to fraction form
249,206.32/343,904.62 = 136,029.07/x - Step 3: Cross multiply
249,206.32x = 343,904.62 × 136,029.07 - Step 4: Simplify right side
249,206.32x = 46,781,025,627.30 - Step 5: Solve for x
x = 46,781,025,627.30/249,206.32 - Step 6: Final answer
x = 187,720.06
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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.