Finding the Fourth Proportional to 455,985.99, 684,013.36 and 136,112.59
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Solution
The fourth proportional to 455,985.99, 684,013.36 and 136,112.59 is: 204,179.15
Step by Step Solution
- Step 1: Write the proportion equation
455,985.99 : 684,013.36 = 136,112.59 : x - Step 2: Convert to fraction form
455,985.99/684,013.36 = 136,112.59/x - Step 3: Cross multiply
455,985.99x = 684,013.36 × 136,112.59 - Step 4: Simplify right side
455,985.99x = 93,102,830,024.20 - Step 5: Solve for x
x = 93,102,830,024.20/455,985.99 - Step 6: Final answer
x = 204,179.15
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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.