Finding the Fourth Proportional to 442,078.12, 663,246.58 and 142,552.68
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Solution
The fourth proportional to 442,078.12, 663,246.58 and 142,552.68 is: 213,870.75
Step by Step Solution
- Step 1: Write the proportion equation
442,078.12 : 663,246.58 = 142,552.68 : x - Step 2: Convert to fraction form
442,078.12/663,246.58 = 142,552.68/x - Step 3: Cross multiply
442,078.12x = 663,246.58 × 142,552.68 - Step 4: Simplify right side
442,078.12x = 94,547,577,479.83 - Step 5: Solve for x
x = 94,547,577,479.83/442,078.12 - Step 6: Final answer
x = 213,870.75
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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.