Finding the Fourth Proportional to 530,302.14, 731,809.35 and 291,838.14
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Solution
The fourth proportional to 530,302.14, 731,809.35 and 291,838.14 is: 402,732.45
Step by Step Solution
- Step 1: Write the proportion equation
530,302.14 : 731,809.35 = 291,838.14 : x - Step 2: Convert to fraction form
530,302.14/731,809.35 = 291,838.14/x - Step 3: Cross multiply
530,302.14x = 731,809.35 × 291,838.14 - Step 4: Simplify right side
530,302.14x = 213,569,879,538.61 - Step 5: Solve for x
x = 213,569,879,538.61/530,302.14 - Step 6: Final answer
x = 402,732.45
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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.