Finding the Fourth Proportional to 346,438.09, 519,700.88 and 109,696.15
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Solution
The fourth proportional to 346,438.09, 519,700.88 and 109,696.15 is: 164,558.07
Step by Step Solution
- Step 1: Write the proportion equation
346,438.09 : 519,700.88 = 109,696.15 : x - Step 2: Convert to fraction form
346,438.09/519,700.88 = 109,696.15/x - Step 3: Cross multiply
346,438.09x = 519,700.88 × 109,696.15 - Step 4: Simplify right side
346,438.09x = 57,009,185,139.13 - Step 5: Solve for x
x = 57,009,185,139.13/346,438.09 - Step 6: Final answer
x = 164,558.07
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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.