Finding the Fourth Proportional to 249,642.94, 344,507.26 and 136,465.68
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Solution
The fourth proportional to 249,642.94, 344,507.26 and 136,465.68 is: 188,322.64
Step by Step Solution
- Step 1: Write the proportion equation
249,642.94 : 344,507.26 = 136,465.68 : x - Step 2: Convert to fraction form
249,642.94/344,507.26 = 136,465.68/x - Step 3: Cross multiply
249,642.94x = 344,507.26 × 136,465.68 - Step 4: Simplify right side
249,642.94x = 47,013,417,500.84 - Step 5: Solve for x
x = 47,013,417,500.84/249,642.94 - Step 6: Final answer
x = 188,322.64
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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.