Finding the Fourth Proportional to 424,460.47, 636,621.48 and 124,870.99
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Solution
The fourth proportional to 424,460.47, 636,621.48 and 124,870.99 is: 187,286.12
Step by Step Solution
- Step 1: Write the proportion equation
424,460.47 : 636,621.48 = 124,870.99 : x - Step 2: Convert to fraction form
424,460.47/636,621.48 = 124,870.99/x - Step 3: Cross multiply
424,460.47x = 636,621.48 × 124,870.99 - Step 4: Simplify right side
424,460.47x = 79,495,554,462.87 - Step 5: Solve for x
x = 79,495,554,462.87/424,460.47 - Step 6: Final answer
x = 187,286.12
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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.