Finding the Fourth Proportional to 636,135.10, 954,202.65 and 549,529.90
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Solution
The fourth proportional to 636,135.10, 954,202.65 and 549,529.90 is: 824,294.85
Step by Step Solution
- Step 1: Write the proportion equation
636,135.10 : 954,202.65 = 549,529.90 : x - Step 2: Convert to fraction form
636,135.10/954,202.65 = 549,529.90/x - Step 3: Cross multiply
636,135.10x = 954,202.65 × 549,529.90 - Step 4: Simplify right side
636,135.10x = 524,362,886,834.24 - Step 5: Solve for x
x = 524,362,886,834.24/636,135.10 - Step 6: Final answer
x = 824,294.85
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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.