Finding the Fourth Proportional to 424,870.08, 637,156.62 and 125,271.12
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Solution
The fourth proportional to 424,870.08, 637,156.62 and 125,271.12 is: 187,862.90
Step by Step Solution
- Step 1: Write the proportion equation
424,870.08 : 637,156.62 = 125,271.12 : x - Step 2: Convert to fraction form
424,870.08/637,156.62 = 125,271.12/x - Step 3: Cross multiply
424,870.08x = 637,156.62 × 125,271.12 - Step 4: Simplify right side
424,870.08x = 79,817,323,402.81 - Step 5: Solve for x
x = 79,817,323,402.81/424,870.08 - Step 6: Final answer
x = 187,862.90
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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.