Finding the Fourth Proportional to 430,897.14, 645,130.53 and 228,033.75
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Solution
The fourth proportional to 430,897.14, 645,130.53 and 228,033.75 is: 341,407.54
Step by Step Solution
- Step 1: Write the proportion equation
430,897.14 : 645,130.53 = 228,033.75 : x - Step 2: Convert to fraction form
430,897.14/645,130.53 = 228,033.75/x - Step 3: Cross multiply
430,897.14x = 645,130.53 × 228,033.75 - Step 4: Simplify right side
430,897.14x = 147,111,533,425.30 - Step 5: Solve for x
x = 147,111,533,425.30/430,897.14 - Step 6: Final answer
x = 341,407.54
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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.