Finding the Fourth Proportional to 507,821.64, 761,828.86 and 204,239.08
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Solution
The fourth proportional to 507,821.64, 761,828.86 and 204,239.08 is: 306,397.39
Step by Step Solution
- Step 1: Write the proportion equation
507,821.64 : 761,828.86 = 204,239.08 : x - Step 2: Convert to fraction form
507,821.64/761,828.86 = 204,239.08/x - Step 3: Cross multiply
507,821.64x = 761,828.86 × 204,239.08 - Step 4: Simplify right side
507,821.64x = 155,595,225,483.85 - Step 5: Solve for x
x = 155,595,225,483.85/507,821.64 - Step 6: Final answer
x = 306,397.39
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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.