Finding the Fourth Proportional to 509,341.08, 763,645.68 and 239,316.96
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Solution
The fourth proportional to 509,341.08, 763,645.68 and 239,316.96 is: 358,803.50
Step by Step Solution
- Step 1: Write the proportion equation
509,341.08 : 763,645.68 = 239,316.96 : x - Step 2: Convert to fraction form
509,341.08/763,645.68 = 239,316.96/x - Step 3: Cross multiply
509,341.08x = 763,645.68 × 239,316.96 - Step 4: Simplify right side
509,341.08x = 182,753,362,654.73 - Step 5: Solve for x
x = 182,753,362,654.73/509,341.08 - Step 6: Final answer
x = 358,803.50
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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.