Finding the Fourth Proportional to 302,308.70, 453,463.05 and 91,946.30
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Solution
The fourth proportional to 302,308.70, 453,463.05 and 91,946.30 is: 137,919.45
Step by Step Solution
- Step 1: Write the proportion equation
302,308.70 : 453,463.05 = 91,946.30 : x - Step 2: Convert to fraction form
302,308.70/453,463.05 = 91,946.30/x - Step 3: Cross multiply
302,308.70x = 453,463.05 × 91,946.30 - Step 4: Simplify right side
302,308.70x = 41,694,249,634.22 - Step 5: Solve for x
x = 41,694,249,634.22/302,308.70 - Step 6: Final answer
x = 137,919.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.