Finding the Fourth Proportional to 346,122.83, 519,415.91 and 121,484.32
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Solution
The fourth proportional to 346,122.83, 519,415.91 and 121,484.32 is: 182,307.79
Step by Step Solution
- Step 1: Write the proportion equation
346,122.83 : 519,415.91 = 121,484.32 : x - Step 2: Convert to fraction form
346,122.83/519,415.91 = 121,484.32/x - Step 3: Cross multiply
346,122.83x = 519,415.91 × 121,484.32 - Step 4: Simplify right side
346,122.83x = 63,100,888,623.53 - Step 5: Solve for x
x = 63,100,888,623.53/346,122.83 - Step 6: Final answer
x = 182,307.79
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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.