Finding the Fourth Proportional to 468,423.84, 646,427.12 and 253,564.08
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Solution
The fourth proportional to 468,423.84, 646,427.12 and 253,564.08 is: 349,919.63
Step by Step Solution
- Step 1: Write the proportion equation
468,423.84 : 646,427.12 = 253,564.08 : x - Step 2: Convert to fraction form
468,423.84/646,427.12 = 253,564.08/x - Step 3: Cross multiply
468,423.84x = 646,427.12 × 253,564.08 - Step 4: Simplify right side
468,423.84x = 163,910,697,969.85 - Step 5: Solve for x
x = 163,910,697,969.85/468,423.84 - Step 6: Final answer
x = 349,919.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.