Finding the Fourth Proportional to 390,501.87, 586,294.91 and 201,097.65
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Solution
The fourth proportional to 390,501.87, 586,294.91 and 201,097.65 is: 301,925.64
Step by Step Solution
- Step 1: Write the proportion equation
390,501.87 : 586,294.91 = 201,097.65 : x - Step 2: Convert to fraction form
390,501.87/586,294.91 = 201,097.65/x - Step 3: Cross multiply
390,501.87x = 586,294.91 × 201,097.65 - Step 4: Simplify right side
390,501.87x = 117,902,528,607.96 - Step 5: Solve for x
x = 117,902,528,607.96/390,501.87 - Step 6: Final answer
x = 301,925.64
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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.