Finding the Fourth Proportional to 430,102.19, 645,186.10 and 130,607.58
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Solution
The fourth proportional to 430,102.19, 645,186.10 and 130,607.58 is: 195,921.33
Step by Step Solution
- Step 1: Write the proportion equation
430,102.19 : 645,186.10 = 130,607.58 : x - Step 2: Convert to fraction form
430,102.19/645,186.10 = 130,607.58/x - Step 3: Cross multiply
430,102.19x = 645,186.10 × 130,607.58 - Step 4: Simplify right side
430,102.19x = 84,266,194,844.12 - Step 5: Solve for x
x = 84,266,194,844.12/430,102.19 - Step 6: Final answer
x = 195,921.33
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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.