Finding the Fourth Proportional to 430,604.16, 645,909.48 and 164,293.08
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Solution
The fourth proportional to 430,604.16, 645,909.48 and 164,293.08 is: 246,440.86
Step by Step Solution
- Step 1: Write the proportion equation
430,604.16 : 645,909.48 = 164,293.08 : x - Step 2: Convert to fraction form
430,604.16/645,909.48 = 164,293.08/x - Step 3: Cross multiply
430,604.16x = 645,909.48 × 164,293.08 - Step 4: Simplify right side
430,604.16x = 106,118,457,870.40 - Step 5: Solve for x
x = 106,118,457,870.40/430,604.16 - Step 6: Final answer
x = 246,440.86
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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.