Finding the Fourth Proportional to 523,577.30, 785,135.55 and 207,929.30
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Solution
The fourth proportional to 523,577.30, 785,135.55 and 207,929.30 is: 311,802.45
Step by Step Solution
- Step 1: Write the proportion equation
523,577.30 : 785,135.55 = 207,929.30 : x - Step 2: Convert to fraction form
523,577.30/785,135.55 = 207,929.30/x - Step 3: Cross multiply
523,577.30x = 785,135.55 × 207,929.30 - Step 4: Simplify right side
523,577.30x = 163,252,685,316.62 - Step 5: Solve for x
x = 163,252,685,316.62/523,577.30 - Step 6: Final answer
x = 311,802.45
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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.