Finding the Fourth Proportional to 653,109.84, 979,479.12 and 253,665.36
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Solution
The fourth proportional to 653,109.84, 979,479.12 and 253,665.36 is: 380,425.94
Step by Step Solution
- Step 1: Write the proportion equation
653,109.84 : 979,479.12 = 253,665.36 : x - Step 2: Convert to fraction form
653,109.84/979,479.12 = 253,665.36/x - Step 3: Cross multiply
653,109.84x = 979,479.12 × 253,665.36 - Step 4: Simplify right side
653,109.84x = 248,459,923,587.28 - Step 5: Solve for x
x = 248,459,923,587.28/653,109.84 - Step 6: Final answer
x = 380,425.94
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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.