Finding the Fourth Proportional to 302,617.19, 453,819.70 and 89,328.20
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Solution
The fourth proportional to 302,617.19, 453,819.70 and 89,328.20 is: 133,960.99
Step by Step Solution
- Step 1: Write the proportion equation
302,617.19 : 453,819.70 = 89,328.20 : x - Step 2: Convert to fraction form
302,617.19/453,819.70 = 89,328.20/x - Step 3: Cross multiply
302,617.19x = 453,819.70 × 89,328.20 - Step 4: Simplify right side
302,617.19x = 40,538,896,925.54 - Step 5: Solve for x
x = 40,538,896,925.54/302,617.19 - Step 6: Final answer
x = 133,960.99
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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.