Finding the Fourth Proportional to 302,164.20, 453,246.30 and 283,501.80
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Solution
The fourth proportional to 302,164.20, 453,246.30 and 283,501.80 is: 425,252.70
Step by Step Solution
- Step 1: Write the proportion equation
302,164.20 : 453,246.30 = 283,501.80 : x - Step 2: Convert to fraction form
302,164.20/453,246.30 = 283,501.80/x - Step 3: Cross multiply
302,164.20x = 453,246.30 × 283,501.80 - Step 4: Simplify right side
302,164.20x = 128,496,141,893.34 - Step 5: Solve for x
x = 128,496,141,893.34/302,164.20 - Step 6: Final answer
x = 425,252.70
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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.