Finding the Fourth Proportional to 260,045.19, 390,048.35 and 93,833.19
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Solution
The fourth proportional to 260,045.19, 390,048.35 and 93,833.19 is: 140,742.77
Step by Step Solution
- Step 1: Write the proportion equation
260,045.19 : 390,048.35 = 93,833.19 : x - Step 2: Convert to fraction form
260,045.19/390,048.35 = 93,833.19/x - Step 3: Cross multiply
260,045.19x = 390,048.35 × 93,833.19 - Step 4: Simplify right side
260,045.19x = 36,599,480,465.57 - Step 5: Solve for x
x = 36,599,480,465.57/260,045.19 - Step 6: Final answer
x = 140,742.77
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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.