Finding the Fourth Proportional to 384,745.40, 577,118.10 and 243,027.80
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Solution
The fourth proportional to 384,745.40, 577,118.10 and 243,027.80 is: 364,541.70
Step by Step Solution
- Step 1: Write the proportion equation
384,745.40 : 577,118.10 = 243,027.80 : x - Step 2: Convert to fraction form
384,745.40/577,118.10 = 243,027.80/x - Step 3: Cross multiply
384,745.40x = 577,118.10 × 243,027.80 - Step 4: Simplify right side
384,745.40x = 140,255,742,183.18 - Step 5: Solve for x
x = 140,255,742,183.18/384,745.40 - Step 6: Final answer
x = 364,541.70
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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.