Finding the Fourth Proportional to 534,368.34, 801,478.40 and 134,984.48
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Solution
The fourth proportional to 534,368.34, 801,478.40 and 134,984.48 is: 202,457.99
Step by Step Solution
- Step 1: Write the proportion equation
534,368.34 : 801,478.40 = 134,984.48 : x - Step 2: Convert to fraction form
534,368.34/801,478.40 = 134,984.48/x - Step 3: Cross multiply
534,368.34x = 801,478.40 × 134,984.48 - Step 4: Simplify right side
534,368.34x = 108,187,140,372.92 - Step 5: Solve for x
x = 108,187,140,372.92/534,368.34 - Step 6: Final answer
x = 202,457.99
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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.