Finding the Fourth Proportional to 460,740.51, 690,214.08 and 260,455.05
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Solution
The fourth proportional to 460,740.51, 690,214.08 and 260,455.05 is: 390,175.68
Step by Step Solution
- Step 1: Write the proportion equation
460,740.51 : 690,214.08 = 260,455.05 : x - Step 2: Convert to fraction form
460,740.51/690,214.08 = 260,455.05/x - Step 3: Cross multiply
460,740.51x = 690,214.08 × 260,455.05 - Step 4: Simplify right side
460,740.51x = 179,769,742,717.10 - Step 5: Solve for x
x = 179,769,742,717.10/460,740.51 - Step 6: Final answer
x = 390,175.68
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1.5x scale
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.