Finding the Fourth Proportional to 446,457.21, 616,122.08 and 242,508.07
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Solution
The fourth proportional to 446,457.21, 616,122.08 and 242,508.07 is: 334,667.18
Step by Step Solution
- Step 1: Write the proportion equation
446,457.21 : 616,122.08 = 242,508.07 : x - Step 2: Convert to fraction form
446,457.21/616,122.08 = 242,508.07/x - Step 3: Cross multiply
446,457.21x = 616,122.08 × 242,508.07 - Step 4: Simplify right side
446,457.21x = 149,414,575,292.65 - Step 5: Solve for x
x = 149,414,575,292.65/446,457.21 - Step 6: Final answer
x = 334,667.18
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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.