Finding the Fourth Proportional to 307,790.58, 424,927.68 and 234,619.02
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Solution
The fourth proportional to 307,790.58, 424,927.68 and 234,619.02 is: 323,908.92
Step by Step Solution
- Step 1: Write the proportion equation
307,790.58 : 424,927.68 = 234,619.02 : x - Step 2: Convert to fraction form
307,790.58/424,927.68 = 234,619.02/x - Step 3: Cross multiply
307,790.58x = 424,927.68 × 234,619.02 - Step 4: Simplify right side
307,790.58x = 99,696,115,852.47 - Step 5: Solve for x
x = 99,696,115,852.47/307,790.58 - Step 6: Final answer
x = 323,908.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.