Finding the Fourth Proportional to 523,731.48, 785,647.98 and 208,117.68
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Solution
The fourth proportional to 523,731.48, 785,647.98 and 208,117.68 is: 312,196.69
Step by Step Solution
- Step 1: Write the proportion equation
523,731.48 : 785,647.98 = 208,117.68 : x - Step 2: Convert to fraction form
523,731.48/785,647.98 = 208,117.68/x - Step 3: Cross multiply
523,731.48x = 785,647.98 × 208,117.68 - Step 4: Simplify right side
523,731.48x = 163,507,234,894.29 - Step 5: Solve for x
x = 163,507,234,894.29/523,731.48 - Step 6: Final answer
x = 312,196.69
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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.