Finding the Fourth Proportional to 473,873.40, 710,705.16 and 136,840.68
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Solution
The fourth proportional to 473,873.40, 710,705.16 and 136,840.68 is: 205,230.72
Step by Step Solution
- Step 1: Write the proportion equation
473,873.40 : 710,705.16 = 136,840.68 : x - Step 2: Convert to fraction form
473,873.40/710,705.16 = 136,840.68/x - Step 3: Cross multiply
473,873.40x = 710,705.16 × 136,840.68 - Step 4: Simplify right side
473,873.40x = 97,253,377,373.91 - Step 5: Solve for x
x = 97,253,377,373.91/473,873.40 - Step 6: Final answer
x = 205,230.72
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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.