Finding the Fourth Proportional to 375,055.03, 562,430.94 and 138,344.95
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Solution
The fourth proportional to 375,055.03, 562,430.94 and 138,344.95 is: 207,461.50
Step by Step Solution
- Step 1: Write the proportion equation
375,055.03 : 562,430.94 = 138,344.95 : x - Step 2: Convert to fraction form
375,055.03/562,430.94 = 138,344.95/x - Step 3: Cross multiply
375,055.03x = 562,430.94 × 138,344.95 - Step 4: Simplify right side
375,055.03x = 77,809,480,272.75 - Step 5: Solve for x
x = 77,809,480,272.75/375,055.03 - Step 6: Final answer
x = 207,461.50
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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.