Finding the Fourth Proportional to 532,673.28, 735,246.72 and 306,478.08
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Solution
The fourth proportional to 532,673.28, 735,246.72 and 306,478.08 is: 423,030.42
Step by Step Solution
- Step 1: Write the proportion equation
532,673.28 : 735,246.72 = 306,478.08 : x - Step 2: Convert to fraction form
532,673.28/735,246.72 = 306,478.08/x - Step 3: Cross multiply
532,673.28x = 735,246.72 × 306,478.08 - Step 4: Simplify right side
532,673.28x = 225,337,003,071.90 - Step 5: Solve for x
x = 225,337,003,071.90/532,673.28 - Step 6: Final answer
x = 423,030.42
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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.