Finding the Fourth Proportional to 346,368.71, 519,582.53 and 121,709.75
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Solution
The fourth proportional to 346,368.71, 519,582.53 and 121,709.75 is: 182,574.97
Step by Step Solution
- Step 1: Write the proportion equation
346,368.71 : 519,582.53 = 121,709.75 : x - Step 2: Convert to fraction form
346,368.71/519,582.53 = 121,709.75/x - Step 3: Cross multiply
346,368.71x = 519,582.53 × 121,709.75 - Step 4: Simplify right side
346,368.71x = 63,238,257,537.03 - Step 5: Solve for x
x = 63,238,257,537.03/346,368.71 - Step 6: Final answer
x = 182,574.97
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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.