Finding the Fourth Proportional to 432,893.80, 649,340.70 and 117,389.80
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Solution
The fourth proportional to 432,893.80, 649,340.70 and 117,389.80 is: 176,084.70
Step by Step Solution
- Step 1: Write the proportion equation
432,893.80 : 649,340.70 = 117,389.80 : x - Step 2: Convert to fraction form
432,893.80/649,340.70 = 117,389.80/x - Step 3: Cross multiply
432,893.80x = 649,340.70 × 117,389.80 - Step 4: Simplify right side
432,893.80x = 76,225,974,904.86 - Step 5: Solve for x
x = 76,225,974,904.86/432,893.80 - Step 6: Final answer
x = 176,084.70
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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.