Finding the Fourth Proportional to 507,358.63, 700,160.06 and 306,115.75
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Solution
The fourth proportional to 507,358.63, 700,160.06 and 306,115.75 is: 422,442.84
Step by Step Solution
- Step 1: Write the proportion equation
507,358.63 : 700,160.06 = 306,115.75 : x - Step 2: Convert to fraction form
507,358.63/700,160.06 = 306,115.75/x - Step 3: Cross multiply
507,358.63x = 700,160.06 × 306,115.75 - Step 4: Simplify right side
507,358.63x = 214,330,021,886.95 - Step 5: Solve for x
x = 214,330,021,886.95/507,358.63 - Step 6: Final answer
x = 422,442.84
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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.