Finding the Fourth Proportional to 302,579.70, 453,869.55 and 302,579.70
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Solution
The fourth proportional to 302,579.70, 453,869.55 and 302,579.70 is: 453,869.55
Step by Step Solution
- Step 1: Write the proportion equation
302,579.70 : 453,869.55 = 302,579.70 : x - Step 2: Convert to fraction form
302,579.70/453,869.55 = 302,579.70/x - Step 3: Cross multiply
302,579.70x = 453,869.55 × 302,579.70 - Step 4: Simplify right side
302,579.70x = 137,331,712,278.14 - Step 5: Solve for x
x = 137,331,712,278.14/302,579.70 - Step 6: Final answer
x = 453,869.55
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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.