Finding the Fourth Proportional to 249,632.20, 374,448.30 and 91,865.80
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Solution
The fourth proportional to 249,632.20, 374,448.30 and 91,865.80 is: 137,798.70
Step by Step Solution
- Step 1: Write the proportion equation
249,632.20 : 374,448.30 = 91,865.80 : x - Step 2: Convert to fraction form
249,632.20/374,448.30 = 91,865.80/x - Step 3: Cross multiply
249,632.20x = 374,448.30 × 91,865.80 - Step 4: Simplify right side
249,632.20x = 34,398,992,638.14 - Step 5: Solve for x
x = 34,398,992,638.14/249,632.20 - Step 6: Final answer
x = 137,798.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.