Finding the Fourth Proportional to 440,099.60, 607,339.35 and 249,149.79
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Solution
The fourth proportional to 440,099.60, 607,339.35 and 249,149.79 is: 343,827.79
Step by Step Solution
- Step 1: Write the proportion equation
440,099.60 : 607,339.35 = 249,149.79 : x - Step 2: Convert to fraction form
440,099.60/607,339.35 = 249,149.79/x - Step 3: Cross multiply
440,099.60x = 607,339.35 × 249,149.79 - Step 4: Simplify right side
440,099.60x = 151,318,471,511.24 - Step 5: Solve for x
x = 151,318,471,511.24/440,099.60 - Step 6: Final answer
x = 343,827.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.