Finding the Fourth Proportional to 430,215.84, 645,617.79 and 149,733.09
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Solution
The fourth proportional to 430,215.84, 645,617.79 and 149,733.09 is: 224,701.97
Step by Step Solution
- Step 1: Write the proportion equation
430,215.84 : 645,617.79 = 149,733.09 : x - Step 2: Convert to fraction form
430,215.84/645,617.79 = 149,733.09/x - Step 3: Cross multiply
430,215.84x = 645,617.79 × 149,733.09 - Step 4: Simplify right side
430,215.84x = 96,670,346,655.67 - Step 5: Solve for x
x = 96,670,346,655.67/430,215.84 - Step 6: Final answer
x = 224,701.97
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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.