Finding the Fourth Proportional to 930,135.60, 1,395,397.80 and 299,113.20
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Solution
The fourth proportional to 930,135.60, 1,395,397.80 and 299,113.20 is: 448,732.32
Step by Step Solution
- Step 1: Write the proportion equation
930,135.60 : 1,395,397.80 = 299,113.20 : x - Step 2: Convert to fraction form
930,135.60/1,395,397.80 = 299,113.20/x - Step 3: Cross multiply
930,135.60x = 1,395,397.80 × 299,113.20 - Step 4: Simplify right side
930,135.60x = 417,381,901,230.96 - Step 5: Solve for x
x = 417,381,901,230.96/930,135.60 - Step 6: Final answer
x = 448,732.32
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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.