Finding the Fourth Proportional to 249,194.98, 343,769.47 and 163,116.08
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Solution
The fourth proportional to 249,194.98, 343,769.47 and 163,116.08 is: 225,021.90
Step by Step Solution
- Step 1: Write the proportion equation
249,194.98 : 343,769.47 = 163,116.08 : x - Step 2: Convert to fraction form
249,194.98/343,769.47 = 163,116.08/x - Step 3: Cross multiply
249,194.98x = 343,769.47 × 163,116.08 - Step 4: Simplify right side
249,194.98x = 56,074,327,532.58 - Step 5: Solve for x
x = 56,074,327,532.58/249,194.98 - Step 6: Final answer
x = 225,021.90
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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.