Finding the Fourth Proportional to 430,526.68, 646,189.05 and 217,444.23
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Solution
The fourth proportional to 430,526.68, 646,189.05 and 217,444.23 is: 326,367.88
Step by Step Solution
- Step 1: Write the proportion equation
430,526.68 : 646,189.05 = 217,444.23 : x - Step 2: Convert to fraction form
430,526.68/646,189.05 = 217,444.23/x - Step 3: Cross multiply
430,526.68x = 646,189.05 × 217,444.23 - Step 4: Simplify right side
430,526.68x = 140,510,080,411.68 - Step 5: Solve for x
x = 140,510,080,411.68/430,526.68 - Step 6: Final answer
x = 326,367.88
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1.5x scale
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.