Finding the Fourth Proportional to 473,292.43, 653,140.95 and 258,430.97
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Solution
The fourth proportional to 473,292.43, 653,140.95 and 258,430.97 is: 356,633.32
Step by Step Solution
- Step 1: Write the proportion equation
473,292.43 : 653,140.95 = 258,430.97 : x - Step 2: Convert to fraction form
473,292.43/653,140.95 = 258,430.97/x - Step 3: Cross multiply
473,292.43x = 653,140.95 × 258,430.97 - Step 4: Simplify right side
473,292.43x = 168,791,849,255.22 - Step 5: Solve for x
x = 168,791,849,255.22/473,292.43 - Step 6: Final answer
x = 356,633.32
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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.