Finding the Fourth Proportional to 557,737.08, 769,675.08 and 316,065.68
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Solution
The fourth proportional to 557,737.08, 769,675.08 and 316,065.68 is: 436,169.45
Step by Step Solution
- Step 1: Write the proportion equation
557,737.08 : 769,675.08 = 316,065.68 : x - Step 2: Convert to fraction form
557,737.08/769,675.08 = 316,065.68/x - Step 3: Cross multiply
557,737.08x = 769,675.08 × 316,065.68 - Step 4: Simplify right side
557,737.08x = 243,267,877,539.25 - Step 5: Solve for x
x = 243,267,877,539.25/557,737.08 - Step 6: Final answer
x = 436,169.45
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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.