Finding the Fourth Proportional to 490,421.58, 735,641.61 and 135,445.02
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Solution
The fourth proportional to 490,421.58, 735,641.61 and 135,445.02 is: 203,170.08
Step by Step Solution
- Step 1: Write the proportion equation
490,421.58 : 735,641.61 = 135,445.02 : x - Step 2: Convert to fraction form
490,421.58/735,641.61 = 135,445.02/x - Step 3: Cross multiply
490,421.58x = 735,641.61 × 135,445.02 - Step 4: Simplify right side
490,421.58x = 99,638,992,579.28 - Step 5: Solve for x
x = 99,638,992,579.28/490,421.58 - Step 6: Final answer
x = 203,170.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.