Finding the Fourth Proportional to 648,201.60, 972,010.80 and 293,032.80
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Solution
The fourth proportional to 648,201.60, 972,010.80 and 293,032.80 is: 439,417.38
Step by Step Solution
- Step 1: Write the proportion equation
648,201.60 : 972,010.80 = 293,032.80 : x - Step 2: Convert to fraction form
648,201.60/972,010.80 = 293,032.80/x - Step 3: Cross multiply
648,201.60x = 972,010.80 × 293,032.80 - Step 4: Simplify right side
648,201.60x = 284,831,046,354.24 - Step 5: Solve for x
x = 284,831,046,354.24/648,201.60 - Step 6: Final answer
x = 439,417.38
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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.