Finding the Fourth Proportional to 390,746.44, 586,121.10 and 95,258.44
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Solution
The fourth proportional to 390,746.44, 586,121.10 and 95,258.44 is: 142,888.01
Step by Step Solution
- Step 1: Write the proportion equation
390,746.44 : 586,121.10 = 95,258.44 : x - Step 2: Convert to fraction form
390,746.44/586,121.10 = 95,258.44/x - Step 3: Cross multiply
390,746.44x = 586,121.10 × 95,258.44 - Step 4: Simplify right side
390,746.44x = 55,832,981,637.08 - Step 5: Solve for x
x = 55,832,981,637.08/390,746.44 - Step 6: Final answer
x = 142,888.01
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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.