Finding the Fourth Proportional to 249,628.08, 344,485.26 and 136,451.64
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Solution
The fourth proportional to 249,628.08, 344,485.26 and 136,451.64 is: 188,302.45
Step by Step Solution
- Step 1: Write the proportion equation
249,628.08 : 344,485.26 = 136,451.64 : x - Step 2: Convert to fraction form
249,628.08/344,485.26 = 136,451.64/x - Step 3: Cross multiply
249,628.08x = 344,485.26 × 136,451.64 - Step 4: Simplify right side
249,628.08x = 47,005,578,682.83 - Step 5: Solve for x
x = 47,005,578,682.83/249,628.08 - Step 6: Final answer
x = 188,302.45
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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.