Finding the Fourth Proportional to 283,652.05, 425,478.08 and 260,032.45
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Solution
The fourth proportional to 283,652.05, 425,478.08 and 260,032.45 is: 390,048.68
Step by Step Solution
- Step 1: Write the proportion equation
283,652.05 : 425,478.08 = 260,032.45 : x - Step 2: Convert to fraction form
283,652.05/425,478.08 = 260,032.45/x - Step 3: Cross multiply
283,652.05x = 425,478.08 × 260,032.45 - Step 4: Simplify right side
283,652.05x = 110,638,106,263.53 - Step 5: Solve for x
x = 110,638,106,263.53/283,652.05 - Step 6: Final answer
x = 390,048.68
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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.