Finding the Fourth Proportional to 249,523.34, 344,343.08 and 136,346.09
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Solution
The fourth proportional to 249,523.34, 344,343.08 and 136,346.09 is: 188,158.08
Step by Step Solution
- Step 1: Write the proportion equation
249,523.34 : 344,343.08 = 136,346.09 : x - Step 2: Convert to fraction form
249,523.34/344,343.08 = 136,346.09/x - Step 3: Cross multiply
249,523.34x = 344,343.08 × 136,346.09 - Step 4: Simplify right side
249,523.34x = 46,949,831,195.71 - Step 5: Solve for x
x = 46,949,831,195.71/249,523.34 - Step 6: Final answer
x = 188,158.08
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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.