Finding the Fourth Proportional to 254,070.81, 349,737.71 and 219,599.84
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Solution
The fourth proportional to 254,070.81, 349,737.71 and 219,599.84 is: 302,287.17
Step by Step Solution
- Step 1: Write the proportion equation
254,070.81 : 349,737.71 = 219,599.84 : x - Step 2: Convert to fraction form
254,070.81/349,737.71 = 219,599.84/x - Step 3: Cross multiply
254,070.81x = 349,737.71 × 219,599.84 - Step 4: Simplify right side
254,070.81x = 76,802,344,934.31 - Step 5: Solve for x
x = 76,802,344,934.31/254,070.81 - Step 6: Final answer
x = 302,287.17
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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.