Finding the Fourth Proportional to 473,429.18, 653,331.21 and 258,569.25
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Solution
The fourth proportional to 473,429.18, 653,331.21 and 258,569.25 is: 356,824.99
Step by Step Solution
- Step 1: Write the proportion equation
473,429.18 : 653,331.21 = 258,569.25 : x - Step 2: Convert to fraction form
473,429.18/653,331.21 = 258,569.25/x - Step 3: Cross multiply
473,429.18x = 653,331.21 × 258,569.25 - Step 4: Simplify right side
473,429.18x = 168,931,360,971.29 - Step 5: Solve for x
x = 168,931,360,971.29/473,429.18 - Step 6: Final answer
x = 356,824.99
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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.