Finding the Fourth Proportional to 637,072.16, 955,576.08 and 237,681.68
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Solution
The fourth proportional to 637,072.16, 955,576.08 and 237,681.68 is: 356,510.52
Step by Step Solution
- Step 1: Write the proportion equation
637,072.16 : 955,576.08 = 237,681.68 : x - Step 2: Convert to fraction form
637,072.16/955,576.08 = 237,681.68/x - Step 3: Cross multiply
637,072.16x = 955,576.08 × 237,681.68 - Step 4: Simplify right side
637,072.16x = 227,122,928,062.21 - Step 5: Solve for x
x = 227,122,928,062.21/637,072.16 - Step 6: Final answer
x = 356,510.52
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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.