Finding the Fourth Proportional to 518,195.08, 715,106.10 and 291,913.48
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Solution
The fourth proportional to 518,195.08, 715,106.10 and 291,913.48 is: 402,838.85
Step by Step Solution
- Step 1: Write the proportion equation
518,195.08 : 715,106.10 = 291,913.48 : x - Step 2: Convert to fraction form
518,195.08/715,106.10 = 291,913.48/x - Step 3: Cross multiply
518,195.08x = 715,106.10 × 291,913.48 - Step 4: Simplify right side
518,195.08x = 208,749,110,220.23 - Step 5: Solve for x
x = 208,749,110,220.23/518,195.08 - Step 6: Final answer
x = 402,838.85
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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.