Finding the Fourth Proportional to 349,459.65, 523,421.12 and 288,800.65
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Solution
The fourth proportional to 349,459.65, 523,421.12 and 288,800.65 is: 432,565.99
Step by Step Solution
- Step 1: Write the proportion equation
349,459.65 : 523,421.12 = 288,800.65 : x - Step 2: Convert to fraction form
349,459.65/523,421.12 = 288,800.65/x - Step 3: Cross multiply
349,459.65x = 523,421.12 × 288,800.65 - Step 4: Simplify right side
349,459.65x = 151,164,356,994.90 - Step 5: Solve for x
x = 151,164,356,994.90/349,459.65 - Step 6: Final answer
x = 432,565.99
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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.