Finding the Fourth Proportional to 249,737.46, 344,637.68 and 136,560.21
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Solution
The fourth proportional to 249,737.46, 344,637.68 and 136,560.21 is: 188,453.08
Step by Step Solution
- Step 1: Write the proportion equation
249,737.46 : 344,637.68 = 136,560.21 : x - Step 2: Convert to fraction form
249,737.46/344,637.68 = 136,560.21/x - Step 3: Cross multiply
249,737.46x = 344,637.68 × 136,560.21 - Step 4: Simplify right side
249,737.46x = 47,063,793,271.91 - Step 5: Solve for x
x = 47,063,793,271.91/249,737.46 - Step 6: Final answer
x = 188,453.08
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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.