Finding the Fourth Proportional to 533,230.86, 735,867.36 and 318,389.70
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Solution
The fourth proportional to 533,230.86, 735,867.36 and 318,389.70 is: 439,383.02
Step by Step Solution
- Step 1: Write the proportion equation
533,230.86 : 735,867.36 = 318,389.70 : x - Step 2: Convert to fraction form
533,230.86/735,867.36 = 318,389.70/x - Step 3: Cross multiply
533,230.86x = 735,867.36 × 318,389.70 - Step 4: Simplify right side
533,230.86x = 234,292,587,990.19 - Step 5: Solve for x
x = 234,292,587,990.19/533,230.86 - Step 6: Final answer
x = 439,383.02
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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.