Finding the Fourth Proportional to 430,989.18, 594,765.05 and 249,806.21
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Solution
The fourth proportional to 430,989.18, 594,765.05 and 249,806.21 is: 344,732.56
Step by Step Solution
- Step 1: Write the proportion equation
430,989.18 : 594,765.05 = 249,806.21 : x - Step 2: Convert to fraction form
430,989.18/594,765.05 = 249,806.21/x - Step 3: Cross multiply
430,989.18x = 594,765.05 × 249,806.21 - Step 4: Simplify right side
430,989.18x = 148,576,002,980.96 - Step 5: Solve for x
x = 148,576,002,980.96/430,989.18 - Step 6: Final answer
x = 344,732.56
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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.