Finding the Fourth Proportional to 420,176.84, 630,169.27 and 120,655.04
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Solution
The fourth proportional to 420,176.84, 630,169.27 and 120,655.04 is: 180,954.99
Step by Step Solution
- Step 1: Write the proportion equation
420,176.84 : 630,169.27 = 120,655.04 : x - Step 2: Convert to fraction form
420,176.84/630,169.27 = 120,655.04/x - Step 3: Cross multiply
420,176.84x = 630,169.27 × 120,655.04 - Step 4: Simplify right side
420,176.84x = 76,033,095,026.14 - Step 5: Solve for x
x = 76,033,095,026.14/420,176.84 - Step 6: Final answer
x = 180,954.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.