Finding the Fourth Proportional to 149,457.84, 224,252.79 and 78,363.48
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Solution
The fourth proportional to 149,457.84, 224,252.79 and 78,363.48 is: 117,579.84
Step by Step Solution
- Step 1: Write the proportion equation
149,457.84 : 224,252.79 = 78,363.48 : x - Step 2: Convert to fraction form
149,457.84/224,252.79 = 78,363.48/x - Step 3: Cross multiply
149,457.84x = 224,252.79 × 78,363.48 - Step 4: Simplify right side
149,457.84x = 17,573,229,024.11 - Step 5: Solve for x
x = 17,573,229,024.11/149,457.84 - Step 6: Final answer
x = 117,579.84
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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.