Finding the Fourth Proportional to 346,547.86, 519,840.36 and 109,908.99
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Solution
The fourth proportional to 346,547.86, 519,840.36 and 109,908.99 is: 164,869.37
Step by Step Solution
- Step 1: Write the proportion equation
346,547.86 : 519,840.36 = 109,908.99 : x - Step 2: Convert to fraction form
346,547.86/519,840.36 = 109,908.99/x - Step 3: Cross multiply
346,547.86x = 519,840.36 × 109,908.99 - Step 4: Simplify right side
346,547.86x = 57,135,128,928.84 - Step 5: Solve for x
x = 57,135,128,928.84/346,547.86 - Step 6: Final answer
x = 164,869.37
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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.