Finding the Fourth Proportional to 430,303.68, 593,815.81 and 236,707.23
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Solution
The fourth proportional to 430,303.68, 593,815.81 and 236,707.23 is: 326,654.18
Step by Step Solution
- Step 1: Write the proportion equation
430,303.68 : 593,815.81 = 236,707.23 : x - Step 2: Convert to fraction form
430,303.68/593,815.81 = 236,707.23/x - Step 3: Cross multiply
430,303.68x = 593,815.81 × 236,707.23 - Step 4: Simplify right side
430,303.68x = 140,560,495,515.31 - Step 5: Solve for x
x = 140,560,495,515.31/430,303.68 - Step 6: Final answer
x = 326,654.18
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1.5x scale
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.