Finding the Fourth Proportional to 453,681.20, 680,521.80 and 232,497.20
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Solution
The fourth proportional to 453,681.20, 680,521.80 and 232,497.20 is: 348,745.80
Step by Step Solution
- Step 1: Write the proportion equation
453,681.20 : 680,521.80 = 232,497.20 : x - Step 2: Convert to fraction form
453,681.20/680,521.80 = 232,497.20/x - Step 3: Cross multiply
453,681.20x = 680,521.80 × 232,497.20 - Step 4: Simplify right side
453,681.20x = 158,219,413,038.96 - Step 5: Solve for x
x = 158,219,413,038.96/453,681.20 - Step 6: Final answer
x = 348,745.80
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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.