Finding the Fourth Proportional to 430,873.84, 594,518.88 and 261,009.28
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Solution
The fourth proportional to 430,873.84, 594,518.88 and 261,009.28 is: 360,140.09
Step by Step Solution
- Step 1: Write the proportion equation
430,873.84 : 594,518.88 = 261,009.28 : x - Step 2: Convert to fraction form
430,873.84/594,518.88 = 261,009.28/x - Step 3: Cross multiply
430,873.84x = 594,518.88 × 261,009.28 - Step 4: Simplify right side
430,873.84x = 155,174,944,815.21 - Step 5: Solve for x
x = 155,174,944,815.21/430,873.84 - Step 6: Final answer
x = 360,140.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.