Finding the Fourth Proportional to 346,725.80, 520,088.70 and 97,407.80
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Solution
The fourth proportional to 346,725.80, 520,088.70 and 97,407.80 is: 146,111.70
Step by Step Solution
- Step 1: Write the proportion equation
346,725.80 : 520,088.70 = 97,407.80 : x - Step 2: Convert to fraction form
346,725.80/520,088.70 = 97,407.80/x - Step 3: Cross multiply
346,725.80x = 520,088.70 × 97,407.80 - Step 4: Simplify right side
346,725.80x = 50,660,696,071.86 - Step 5: Solve for x
x = 50,660,696,071.86/346,725.80 - Step 6: Final answer
x = 146,111.70
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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.