Finding the Fourth Proportional to 249,764.08, 344,674.40 and 136,586.80
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Solution
The fourth proportional to 249,764.08, 344,674.40 and 136,586.80 is: 188,489.77
Step by Step Solution
- Step 1: Write the proportion equation
249,764.08 : 344,674.40 = 136,586.80 : x - Step 2: Convert to fraction form
249,764.08/344,674.40 = 136,586.80/x - Step 3: Cross multiply
249,764.08x = 344,674.40 × 136,586.80 - Step 4: Simplify right side
249,764.08x = 47,077,973,337.92 - Step 5: Solve for x
x = 47,077,973,337.92/249,764.08 - Step 6: Final answer
x = 188,489.77
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1.5x scale
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.