Finding the Fourth Proportional to 304,641.84, 420,418.84 and 168,675.76
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Solution
The fourth proportional to 304,641.84, 420,418.84 and 168,675.76 is: 232,779.80
Step by Step Solution
- Step 1: Write the proportion equation
304,641.84 : 420,418.84 = 168,675.76 : x - Step 2: Convert to fraction form
304,641.84/420,418.84 = 168,675.76/x - Step 3: Cross multiply
304,641.84x = 420,418.84 × 168,675.76 - Step 4: Simplify right side
304,641.84x = 70,914,467,355.32 - Step 5: Solve for x
x = 70,914,467,355.32/304,641.84 - Step 6: Final answer
x = 232,779.80
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1.5x scale
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.