Finding the Fourth Proportional to 297,898.40, 446,926.80 and 129,346.40
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Solution
The fourth proportional to 297,898.40, 446,926.80 and 129,346.40 is: 194,053.99
Step by Step Solution
- Step 1: Write the proportion equation
297,898.40 : 446,926.80 = 129,346.40 : x - Step 2: Convert to fraction form
297,898.40/446,926.80 = 129,346.40/x - Step 3: Cross multiply
297,898.40x = 446,926.80 × 129,346.40 - Step 4: Simplify right side
297,898.40x = 57,808,372,643.52 - Step 5: Solve for x
x = 57,808,372,643.52/297,898.40 - Step 6: Final answer
x = 194,053.99
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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.