Finding the Fourth Proportional to 450,751.52, 621,374.40 and 343,134.08
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Solution
The fourth proportional to 450,751.52, 621,374.40 and 343,134.08 is: 473,020.55
Step by Step Solution
- Step 1: Write the proportion equation
450,751.52 : 621,374.40 = 343,134.08 : x - Step 2: Convert to fraction form
450,751.52/621,374.40 = 343,134.08/x - Step 3: Cross multiply
450,751.52x = 621,374.40 × 343,134.08 - Step 4: Simplify right side
450,751.52x = 213,214,733,079.55 - Step 5: Solve for x
x = 213,214,733,079.55/450,751.52 - Step 6: Final answer
x = 473,020.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.