Finding the Fourth Proportional to 249,471.59, 344,271.13 and 142,041.68
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Solution
The fourth proportional to 249,471.59, 344,271.13 and 142,041.68 is: 196,017.70
Step by Step Solution
- Step 1: Write the proportion equation
249,471.59 : 344,271.13 = 142,041.68 : x - Step 2: Convert to fraction form
249,471.59/344,271.13 = 142,041.68/x - Step 3: Cross multiply
249,471.59x = 344,271.13 × 142,041.68 - Step 4: Simplify right side
249,471.59x = 48,900,847,604.24 - Step 5: Solve for x
x = 48,900,847,604.24/249,471.59 - Step 6: Final answer
x = 196,017.70
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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.