Finding the Fourth Proportional to 474,995.36, 712,539.84 and 138,038.96
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Solution
The fourth proportional to 474,995.36, 712,539.84 and 138,038.96 is: 207,072.04
Step by Step Solution
- Step 1: Write the proportion equation
474,995.36 : 712,539.84 = 138,038.96 : x - Step 2: Convert to fraction form
474,995.36/712,539.84 = 138,038.96/x - Step 3: Cross multiply
474,995.36x = 712,539.84 × 138,038.96 - Step 4: Simplify right side
474,995.36x = 98,358,258,472.17 - Step 5: Solve for x
x = 98,358,258,472.17/474,995.36 - Step 6: Final answer
x = 207,072.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.