Finding the Fourth Proportional to 135,030.10, 202,545.15 and 103,537.30
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Solution
The fourth proportional to 135,030.10, 202,545.15 and 103,537.30 is: 155,305.95
Step by Step Solution
- Step 1: Write the proportion equation
135,030.10 : 202,545.15 = 103,537.30 : x - Step 2: Convert to fraction form
135,030.10/202,545.15 = 103,537.30/x - Step 3: Cross multiply
135,030.10x = 202,545.15 × 103,537.30 - Step 4: Simplify right side
135,030.10x = 20,970,977,959.10 - Step 5: Solve for x
x = 20,970,977,959.10/135,030.10 - Step 6: Final answer
x = 155,305.95
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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.