Finding the Fourth Proportional to 249,351.40, 343,749.18 and 153,794.08
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Solution
The fourth proportional to 249,351.40, 343,749.18 and 153,794.08 is: 212,016.41
Step by Step Solution
- Step 1: Write the proportion equation
249,351.40 : 343,749.18 = 153,794.08 : x - Step 2: Convert to fraction form
249,351.40/343,749.18 = 153,794.08/x - Step 3: Cross multiply
249,351.40x = 343,749.18 × 153,794.08 - Step 4: Simplify right side
249,351.40x = 52,866,588,888.85 - Step 5: Solve for x
x = 52,866,588,888.85/249,351.40 - Step 6: Final answer
x = 212,016.41
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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.