Finding the Fourth Proportional to 516,378.84, 774,547.20 and 179,495.88
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Solution
The fourth proportional to 516,378.84, 774,547.20 and 179,495.88 is: 269,236.50
Step by Step Solution
- Step 1: Write the proportion equation
516,378.84 : 774,547.20 = 179,495.88 : x - Step 2: Convert to fraction form
516,378.84/774,547.20 = 179,495.88/x - Step 3: Cross multiply
516,378.84x = 774,547.20 × 179,495.88 - Step 4: Simplify right side
516,378.84x = 139,028,031,265.54 - Step 5: Solve for x
x = 139,028,031,265.54/516,378.84 - Step 6: Final answer
x = 269,236.50
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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.