Finding the Fourth Proportional to 473,487.30, 653,428.17 and 258,647.40
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Solution
The fourth proportional to 473,487.30, 653,428.17 and 258,647.40 is: 356,941.99
Step by Step Solution
- Step 1: Write the proportion equation
473,487.30 : 653,428.17 = 258,647.40 : x - Step 2: Convert to fraction form
473,487.30/653,428.17 = 258,647.40/x - Step 3: Cross multiply
473,487.30x = 653,428.17 × 258,647.40 - Step 4: Simplify right side
473,487.30x = 169,007,497,257.26 - Step 5: Solve for x
x = 169,007,497,257.26/473,487.30 - Step 6: Final answer
x = 356,941.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.