Finding the Fourth Proportional to 340,354.68, 469,671.06 and 187,363.08
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Solution
The fourth proportional to 340,354.68, 469,671.06 and 187,363.08 is: 258,550.92
Step by Step Solution
- Step 1: Write the proportion equation
340,354.68 : 469,671.06 = 187,363.08 : x - Step 2: Convert to fraction form
340,354.68/469,671.06 = 187,363.08/x - Step 3: Cross multiply
340,354.68x = 469,671.06 × 187,363.08 - Step 4: Simplify right side
340,354.68x = 87,999,016,388.46 - Step 5: Solve for x
x = 87,999,016,388.46/340,354.68 - Step 6: Final answer
x = 258,550.92
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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.