Finding the Fourth Proportional to 440,449.12, 607,827.76 and 249,502.16
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Solution
The fourth proportional to 440,449.12, 607,827.76 and 249,502.16 is: 344,317.50
Step by Step Solution
- Step 1: Write the proportion equation
440,449.12 : 607,827.76 = 249,502.16 : x - Step 2: Convert to fraction form
440,449.12/607,827.76 = 249,502.16/x - Step 3: Cross multiply
440,449.12x = 607,827.76 × 249,502.16 - Step 4: Simplify right side
440,449.12x = 151,654,339,027.96 - Step 5: Solve for x
x = 151,654,339,027.96/440,449.12 - Step 6: Final answer
x = 344,317.50
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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.