Finding the Fourth Proportional to 430,251.42, 645,352.47 and 164,038.80
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Solution
The fourth proportional to 430,251.42, 645,352.47 and 164,038.80 is: 246,048.80
Step by Step Solution
- Step 1: Write the proportion equation
430,251.42 : 645,352.47 = 164,038.80 : x - Step 2: Convert to fraction form
430,251.42/645,352.47 = 164,038.80/x - Step 3: Cross multiply
430,251.42x = 645,352.47 × 164,038.80 - Step 4: Simplify right side
430,251.42x = 105,862,844,755.84 - Step 5: Solve for x
x = 105,862,844,755.84/430,251.42 - Step 6: Final answer
x = 246,048.80
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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.