Finding the Fourth Proportional to 249,582.20, 344,494.08 and 147,643.09
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Solution
The fourth proportional to 249,582.20, 344,494.08 and 147,643.09 is: 203,789.26
Step by Step Solution
- Step 1: Write the proportion equation
249,582.20 : 344,494.08 = 147,643.09 : x - Step 2: Convert to fraction form
249,582.20/344,494.08 = 147,643.09/x - Step 3: Cross multiply
249,582.20x = 344,494.08 × 147,643.09 - Step 4: Simplify right side
249,582.20x = 50,862,169,596.67 - Step 5: Solve for x
x = 50,862,169,596.67/249,582.20 - Step 6: Final answer
x = 203,789.26
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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.