Finding the Fourth Proportional to 495,038.43, 742,438.68 and 228,542.97
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Solution
The fourth proportional to 495,038.43, 742,438.68 and 228,542.97 is: 342,759.53
Step by Step Solution
- Step 1: Write the proportion equation
495,038.43 : 742,438.68 = 228,542.97 : x - Step 2: Convert to fraction form
495,038.43/742,438.68 = 228,542.97/x - Step 3: Cross multiply
495,038.43x = 742,438.68 × 228,542.97 - Step 4: Simplify right side
495,038.43x = 169,679,140,970.08 - Step 5: Solve for x
x = 169,679,140,970.08/495,038.43 - Step 6: Final answer
x = 342,759.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.