Finding the Fourth Proportional to 249,246.05, 343,957.79 and 136,068.80
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Solution
The fourth proportional to 249,246.05, 343,957.79 and 136,068.80 is: 187,773.98
Step by Step Solution
- Step 1: Write the proportion equation
249,246.05 : 343,957.79 = 136,068.80 : x - Step 2: Convert to fraction form
249,246.05/343,957.79 = 136,068.80/x - Step 3: Cross multiply
249,246.05x = 343,957.79 × 136,068.80 - Step 4: Simplify right side
249,246.05x = 46,801,922,356.34 - Step 5: Solve for x
x = 46,801,922,356.34/249,246.05 - Step 6: Final answer
x = 187,773.98
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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.