Finding the Fourth Proportional to 249,133.11, 343,737.64 and 141,685.80
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Solution
The fourth proportional to 249,133.11, 343,737.64 and 141,685.80 is: 195,488.84
Step by Step Solution
- Step 1: Write the proportion equation
249,133.11 : 343,737.64 = 141,685.80 : x - Step 2: Convert to fraction form
249,133.11/343,737.64 = 141,685.80/x - Step 3: Cross multiply
249,133.11x = 343,737.64 × 141,685.80 - Step 4: Simplify right side
249,133.11x = 48,702,742,513.51 - Step 5: Solve for x
x = 48,702,742,513.51/249,133.11 - Step 6: Final answer
x = 195,488.84
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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.